[01:34:20] [Server thread/INFO]: Starting minecraft server version 1.8.7 [01:34:20] [Server thread/INFO]: Loading properties [01:34:20] [Server thread/INFO]: Default game type: SURVIVAL [01:34:20] [Server thread/INFO]: This server is running CraftBukkit version git-Spigot-07a5b1b-04afd79 (MC: 1.8.7) (Implementing API version 1.8.7-R0.1-SNAPSHOT) [01:34:20] [Server thread/INFO]: Server Ping Player Sample Count: 12 [01:34:20] [Server thread/INFO]: Using 4 threads for Netty based IO [01:34:20] [Server thread/INFO]: Debug logging is disabled [01:34:20] [Server thread/INFO]: Generating keypair [01:34:20] [Server thread/INFO]: Starting Minecraft server on 127.0.0.1:25574 [01:34:20] [Server thread/INFO]: Using epoll channel type [01:34:21] [Server thread/INFO]: Set PluginClassLoader as parallel capable [01:34:21] [Server thread/INFO]: DataSourcePool [TimeShift] autoCommit[false] transIsolation[SERIALIZABLE] min[2] max[20] [01:34:22] [Server thread/INFO]: SubClassFactory parent ClassLoader [org.bukkit.plugin.java.PluginClassLoader] [01:34:22] [Server thread/INFO]: Entities enhanced[0] subclassed[1] [01:34:23] [Server thread/INFO]: [WorldEdit] Loading WorldEdit v6.1;no_git_id [01:34:23] [Server thread/INFO]: [RedstoneJukeboxTrig] Loading RedstoneJukeboxTrig v2.6.0 [01:34:23] [Server thread/INFO]: [BungeeSuite] Loading Teleports v0.50b-22 [01:34:23] [Server thread/INFO]: [Uberjump] Loading Uberjump v0.2 [01:34:23] [Server thread/INFO]: [ArmorClear] Loading ArmorClear v1.0 [01:34:23] [Server thread/INFO]: [Vault] Loading Vault v1.5.3-b37 [01:34:23] [Server thread/INFO]: [Multiverse-Core] Loading Multiverse-Core v2.5-b693 [01:34:23] [Server thread/INFO]: [PermissionsEx] Loading PermissionsEx v1.23.2 [01:34:23] [Server thread/WARN]: [PermissionsEx] This server is in offline mode. Unless this server is configured to integrate with a supported proxy (see http://dft.ba/-8ous), UUIDs *may not be stable*! [01:34:23] [Server thread/INFO]: [ItemScan] Loading ItemScan v1.1 [01:34:23] [Server thread/INFO]: [BungeeSuite] Loading Bans v0.50b-8 [01:34:23] [Server thread/INFO]: [WorldGuard] Loading WorldGuard v5.9 [01:34:23] [Server thread/INFO]: [dynmap] Loading dynmap v2.1-SNAPSHOT-1091 [01:34:23] [Server thread/INFO]: [dynmap] version=git-Spigot-07a5b1b-04afd79 (MC: 1.8.7) [01:34:23] [Server thread/INFO]: [dynmap] inhabitedTicks field not found - inhabited shader not functional [01:34:23] [Server thread/INFO]: [dynmap] Mod Support API available [01:34:23] [Server thread/INFO]: [Dynmap-WorldGuard] Loading Dynmap-WorldGuard v0.50 [01:34:23] [Server thread/INFO]: [BungeeSuite] Loading Warps v0.17-SNAPSHOTb-11 [01:34:23] [Server thread/INFO]: [FishingPlus] Loading FishingPlus v1.7.9a [01:34:23] [Server thread/INFO]: [BungeeSuite] Loading Chat v0.5b-56 [01:34:23] [Server thread/INFO]: [BooksWithoutBorders] Loading BooksWithoutBorders v1.3.3b [01:34:23] [Server thread/INFO]: [FrameDisable] Loading FrameDisable v1.0 [01:34:23] [Server thread/INFO]: [TimeShift] Loading TimeShift v3.0 [01:34:23] [Server thread/INFO]: [NoLoginMessage] Loading NoLoginMessage v1.2 [01:34:23] [Server thread/INFO]: [SkylandsPlus] Loading SkylandsPlus v0.16-SNAPSHOT [01:34:23] [Server thread/INFO]: [ChestShop] Loading ChestShop v3.8.11 [01:34:23] [Server thread/INFO]: [CustomSpawners] Loading CustomSpawners v0.6 [01:34:23] [Server thread/INFO]: [Modifyworld] Loading Modifyworld v1.19.7 [01:34:23] [Server thread/INFO]: [BookShop] Loading BookShop v5.2 [01:34:23] [Server thread/INFO]: [Essentials] Loading Essentials vTeamCity [01:34:23] [Server thread/INFO]: [WorldBorder] Loading WorldBorder v1.8.3 [01:34:23] [Server thread/INFO]: [ServerSigns] Loading ServerSigns v2.9 [01:34:23] [Server thread/INFO]: [EssentialsSpawn] Loading EssentialsSpawn vTeamCity [01:34:23] [Server thread/INFO]: [Dynmap-Essentials] Loading Dynmap-Essentials v0.60 [01:34:23] [Server thread/INFO]: [Multiverse-Portals] Loading Multiverse-Portals v2.5-b714 [01:34:23] [Server thread/INFO]: [Vault] Enabling Vault v1.5.3-b37 [01:34:23] [Server thread/INFO]: [Vault] [Economy] Essentials Economy found: Waiting [01:34:23] [Server thread/INFO]: [Vault] [Permission] PermissionsEx found: Waiting [01:34:23] [Server thread/INFO]: [Vault] [Permission] SuperPermissions loaded as backup permission system. [01:34:23] [Server thread/INFO]: [Vault] [Chat] PermissionsEx found: Waiting [01:34:23] [Server thread/INFO]: [Vault] Enabled Version 1.5.3-b37 [01:34:23] [Server thread/INFO]: [SkylandsPlus] Enabling SkylandsPlus v0.16-SNAPSHOT [01:34:23] [Server thread/WARN]: **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE! [01:34:23] [Server thread/WARN]: The server will make no attempt to authenticate usernames. Beware. [01:34:23] [Server thread/WARN]: While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose. [01:34:23] [Server thread/WARN]: To change this, set "online-mode" to "true" in the server.properties file. [01:34:23] [Server thread/INFO]: **** Beginning UUID conversion, this may take A LONG time **** [01:34:23] [Server thread/INFO]: Preparing level "w8" [01:34:23] [Server thread/INFO]: Preparing start region for level 0 (Seed: 1626615012) [01:34:24] [Server thread/INFO]: [WorldEdit] Enabling WorldEdit v6.1;no_git_id [01:34:25] [Server thread/INFO]: WEPIF: Using the Bukkit Permissions API. [01:34:25] [Server thread/INFO]: [WorldEdit] Using com.sk89q.worldedit.bukkit.adapter.impl.Spigot_v1_8_R3 as the Bukkit adapter [01:34:25] [Server thread/INFO]: [RedstoneJukeboxTrig] Enabling RedstoneJukeboxTrig v2.6.0 [01:34:25] [Server thread/INFO]: RedstoneJukeboxTrig has been enabled! [01:34:25] [Server thread/INFO]: [BungeeSuite] Enabling Teleports v0.50b-22 [01:34:25] [Server thread/INFO]: [Uberjump] Enabling Uberjump v0.2 [01:34:25] [Server thread/INFO]: [Uberjump] Has been enabled! [01:34:25] [Server thread/INFO]: [ArmorClear] Enabling ArmorClear v1.0 [01:34:25] [Server thread/INFO]: ArmorClear enabled [01:34:25] [Server thread/INFO]: [Multiverse-Core] Enabling Multiverse-Core v2.5-b693 [01:34:25] [Server thread/INFO]: [Multiverse-Core] [AllPay] - Version 13.0 - hooked into Essentials Economy for Multiverse-Core v2.5-b693 [01:34:26] [Server thread/INFO]: Preparing start region for level 1 (Seed: 1941865688) [01:34:26] [Server thread/INFO]: Preparing start region for level 2 (Seed: 4045383540923910313) [01:34:26] [Server thread/INFO]: Preparing start region for level 3 (Seed: 1604648873729918332) [01:34:26] [Server thread/INFO]: Preparing start region for level 4 (Seed: 4429736850346202580) [01:34:26] [Server thread/INFO]: Preparing start region for level 5 (Seed: -2835538084371891869) [01:34:26] [Server thread/INFO]: Preparing start region for level 6 (Seed: 5965466942185092321) [01:34:26] [Server thread/INFO]: Preparing start region for level 7 (Seed: 1604648873729918332) [01:34:26] [Server thread/INFO]: Preparing start region for level 8 (Seed: -2626732826353357297) [01:34:26] [Server thread/INFO]: Preparing start region for level 9 (Seed: 486897693250302611) [01:34:26] [Server thread/INFO]: Preparing start region for level 10 (Seed: 404) [01:34:26] [Server thread/INFO]: Preparing start region for level 11 (Seed: 8263077407236552967) [01:34:26] [Server thread/INFO]: [Multiverse-Core] 12 - World(s) loaded. [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4confucian'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4rainbow'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4arena'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4mosque'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4lavapool'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4synagogue'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4cathedral'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4greattree'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4hindu'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4pagoda'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4monastery'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4icehouse'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4cave'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4henge'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4chrysler'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w5spawn'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6confucian'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6rainbow'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6arena'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6mosque'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6lavapool'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6synagogue'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6cathedral'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6greattree'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6hindu'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6pagoda'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6monastery'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6icehouse'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6cave'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6henge'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6chrysler'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6monsastery'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w2selkinor'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w2solace'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w2eyehill'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4skycity'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w6skycity'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w3radialcity'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w3eternia'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4abdel'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'w4lab'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'wAbyssia'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'wBaphomet'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'wCthulu'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor: 'wDeimos'... [01:34:26] [Server thread/INFO]: [Multiverse-Core] Version 2.5-b693 (API v18) Enabled - By Rigby, fernferret, lithium3141 and main-- [01:34:26] [Server thread/INFO]: [PermissionsEx] Enabling PermissionsEx v1.23.2 [01:34:26] [Server thread/INFO]: [PermissionsEx] Initializing file backend [01:34:27] [Server thread/INFO]: [PermissionsEx] Permissions file successfully reloaded [01:34:27] [Server thread/INFO]: WEPIF: PermissionsEx detected! Using PermissionsEx for permissions. [01:34:27] [Server thread/INFO]: [Vault][Permission] PermissionsEx hooked. [01:34:27] [Server thread/INFO]: [Vault][Chat] PermissionsEx_Chat hooked. [01:34:27] [Server thread/INFO]: [ItemScan] Enabling ItemScan v1.1 [01:34:27] [Server thread/INFO]: <> Coded by: sternmin8or [01:34:27] [Server thread/INFO]: <> Edited by: Alvarez @ PluginRequest.com [01:34:32] [Server thread/INFO]: <> v1.1 is now Enabled! [01:34:32] [Server thread/INFO]: [BungeeSuite] Enabling Bans v0.50b-8 [01:34:32] [Server thread/INFO]: [WorldGuard] Enabling WorldGuard v5.9 [01:34:33] [Server thread/INFO]: [dynmap] Enabling dynmap v2.1-SNAPSHOT-1091 [01:34:33] [Server thread/INFO]: [dynmap] Using PermissionsEx 1.23.2 for access control [01:34:34] [Server thread/INFO]: [dynmap] Mod Support processing completed [01:34:35] [Server thread/INFO]: [dynmap] Loaded 23 shaders. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 82 perspectives. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 14 lightings. [01:34:35] [Server thread/INFO]: [dynmap] Web server started on address 0.0.0.0:8124 [01:34:35] [Server thread/INFO]: [dynmap] version 2.1-SNAPSHOT-1091 is enabled - core version 2.1-SNAPSHOT-2032 [01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w8'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w9'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 90 pending tile renders for world 'w9' [01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w3'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 90 pending tile renders for world 'w3' [01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w4'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 44 pending tile renders for world 'w4' [01:34:35] [Server thread/INFO]: [dynmap] Loaded 2 maps of world 'wD'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 2 maps of world 'w5'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 2 maps of world 'wC'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w6'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 136 pending tile renders for world 'w6' [01:34:35] [Server thread/INFO]: [dynmap] Loaded 2 maps of world 'wB'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 2 maps of world 'wA'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w1'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w2'. [01:34:35] [Server thread/INFO]: [dynmap] Loaded 24 pending tile renders for world 'w2' [01:34:35] [Server thread/INFO]: [dynmap] Enabled [01:34:36] [Server thread/INFO]: [Dynmap-WorldGuard] Enabling Dynmap-WorldGuard v0.50 [01:34:36] [Server thread/INFO]: [Dynmap-WorldGuard] initializing [01:34:36] [Server thread/INFO]: [Dynmap-WorldGuard] Custom flag 'dynmap-boost' not registered - WGCustomFlags not found [01:34:36] [Server thread/INFO]: [Dynmap-WorldGuard] version 0.50 is activated [01:34:36] [Server thread/INFO]: [BungeeSuite] Enabling Warps v0.17-SNAPSHOTb-11 [01:34:36] [Server thread/INFO]: [FishingPlus] Enabling FishingPlus v1.7.9a [01:34:36] [Server thread/INFO]: [BungeeSuite] Enabling Chat v0.5b-56 [01:34:36] [Server thread/INFO]: [BooksWithoutBorders] Enabling BooksWithoutBorders v1.3.3b [01:34:36] [Server thread/INFO]: [FrameDisable] Enabling FrameDisable v1.0 [01:34:36] [Server thread/INFO]: [TimeShift] Enabling TimeShift v3.0 [01:34:36] [Server thread/INFO]: Can not test connection as heartbeatsql is not set [01:34:36] [Server thread/INFO]: Closing Connection[TimeShift.1] psReuse[0] psCreate[1] psSize[0] [01:34:36] [Server thread/INFO]: TimeShift version 3.0 is enabled! [01:34:36] [Server thread/INFO]: [NoLoginMessage] Enabling NoLoginMessage v1.2 [01:34:36] [Server thread/INFO]: [NoLoginMessage] config.yml successfully loaded. [01:34:36] [Server thread/INFO]: [NoLoginMessage] Plugin has been activated! [01:34:36] [Server thread/INFO]: [ChestShop] Enabling ChestShop v3.8.11 [01:34:37] [Server thread/INFO]: [ChestShop] Vault loaded! Found an economy plugin! [01:34:37] [Server thread/INFO]: [CustomSpawners] Enabling CustomSpawners v0.6 [01:34:37] [Server thread/INFO]: [CustomSpawners] Getting the list of donors... [01:34:38] [Server thread/INFO]: [CustomSpawners] Hooked into WorldGuard. [01:34:38] [Server thread/INFO]: [CustomSpawners] Cannot hook into Heroes. [01:34:38] [Server thread/INFO]: [CustomSpawners] Cannot hook into Citizens. [01:34:38] [Server thread/INFO]: Loading entities from directory plugins/CustomSpawners/Entities [01:34:38] [Server thread/INFO]: 0 total entities. [01:34:38] [Server thread/INFO]: Load Complete! [01:34:38] [Server thread/INFO]: Loading spawners from directory plugins/CustomSpawners/Spawners [01:34:38] [Server thread/INFO]: 0 total spawners. [01:34:38] [Server thread/INFO]: Load Complete! [01:34:38] [Server thread/INFO]: Loading groups from directory plugins/CustomSpawners/Groups [01:34:38] [Server thread/INFO]: 0 total groups. [01:34:38] [Server thread/INFO]: Load Complete! [01:34:38] [Server thread/INFO]: [CustomSpawners] CustomSpawners by thebiologist13 has been enabled! [01:34:38] [Server thread/INFO]: [Modifyworld] Enabling Modifyworld v1.19.7 [01:34:38] [Server thread/INFO]: [Modifyworld] Modifyworld enabled! [01:34:38] [Server thread/INFO]: [BookShop] Enabling BookShop v5.2 [01:34:38] [Server thread/INFO]: BookShopEnabled in 114 ms [01:34:38] [Server thread/INFO]: [Essentials] Enabling Essentials vTeamCity [01:34:38] [Server thread/INFO]: Bukkit version format changed. Version not checked. [01:34:38] [Server thread/INFO]: git-Spigot-07a5b1b-04afd79 (MC: 1.8.7) [01:34:38] [Server thread/INFO]: 1.8.7-R0.1-SNAPSHOT [01:34:39] [Server thread/INFO]: Using locale en_US [01:34:41] [Server thread/INFO]: Using locale en_US [01:34:42] [Server thread/INFO]: [Vault][Economy] Essentials Economy hooked. [01:34:42] [Server thread/INFO]: Essentials: Using PermissionsEx based permissions. [01:34:42] [Server thread/INFO]: [WorldBorder] Enabling WorldBorder v1.8.3 [01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] Using rectangular/square border, knockback of 3.0 blocks, and timer delay of 5. [01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] Border-checking timed task started. [01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w3" has border radius 2500 at X: 200.0 Z: -1000.0 [01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w2" has border radius 2200 at X: 700.0 Z: 600.0 [01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w1" has border radius 450 at X: 100.0 Z: 0.0 [01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w8" has border radius 1000 at X: 0.0 Z: 0.0 [01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w9" has border radius 2500 at X: 0.0 Z: 0.0 [01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w4" has border radius 945x840 at X: 820.2 Z: -330.1 [01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w7" has border radius 2500 at X: 10.0 Z: -42.0 [01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] Successfully hooked into DynMap for the ability to display borders. [01:34:42] [Server thread/INFO]: [WorldBorder] For reference, the main world's spawn location is at X: 0.0 Y: 40.0 Z: 0.0 [01:34:42] [Server thread/INFO]: [ServerSigns] Enabling ServerSigns v2.9 [01:34:58] [Server thread/INFO]: [ServerSigns] Successfully hooked in into Vault [01:34:58] [Server thread/INFO]: [ServerSigns] Update checking skipped - To enable this, set 'automaticUpdateChecks' to true in your config.yml [01:34:58] [Server thread/INFO]: [ServerSigns] Version 2.9 is now enabled. [01:34:58] [Server thread/INFO]: [EssentialsSpawn] Enabling EssentialsSpawn vTeamCity [01:34:58] [Server thread/INFO]: [Dynmap-Essentials] Enabling Dynmap-Essentials v0.60 [01:34:58] [Server thread/INFO]: [Dynmap-Essentials] initializing [01:34:58] [Server thread/INFO]: [Dynmap-Essentials] version 0.60 is activated [01:34:58] [Server thread/INFO]: [Multiverse-Portals] Enabling Multiverse-Portals v2.5-b714 [01:34:58] [Server thread/INFO]: [Multiverse-Portals] - Version 2.5-b714 Enabled - By Rigby and fernferret [01:35:02] [Server thread/INFO]: [MVPLogging] 132 - Portals(s) loaded [01:35:03] [Server thread/INFO]: Server permissions file permissions.yml is empty, ignoring it [01:35:04] [Server thread/INFO]: Done (40.703s)! For help, type "help" or "?" [01:35:04] [Dynmap Render Thread/INFO]: [dynmap] Loading default resource pack [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #24 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.FileManager.autosaveAll(FileManager.java:112) ~[?:?] at com.github.thebiologist13.CustomSpawners$3.run(CustomSpawners.java:1402) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:36] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView; at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79] at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] [01:35:36] [Server thread/INFO]: Stopping the server [01:35:36] [Server thread/INFO]: Stopping server [01:35:36] [Server thread/INFO]: [Multiverse-Portals] Disabling Multiverse-Portals v2.5-b714 [01:35:36] [Server thread/INFO]: [Dynmap-Essentials] Disabling Dynmap-Essentials v0.60 [01:35:36] [Server thread/INFO]: [EssentialsSpawn] Disabling EssentialsSpawn vTeamCity [01:35:36] [Server thread/INFO]: [ServerSigns] Disabling ServerSigns v2.9 [01:35:36] [Server thread/INFO]: [ServerSigns] ServerSigns is now disabled. [01:35:36] [Server thread/INFO]: [WorldBorder] Disabling WorldBorder v1.8.3 [01:35:36] [Server thread/INFO]: [WorldBorder] [CONFIG] Border-checking timed task stopped. [01:35:36] [Server thread/INFO]: [Essentials] Disabling Essentials vTeamCity [01:35:36] [Server thread/INFO]: [Vault][Economy] Essentials Economy unhooked. [01:35:36] [Server thread/INFO]: [BookShop] Disabling BookShop v5.2 [01:35:36] [Server thread/INFO]: BookShopdisabled in 1 ms [01:35:36] [Server thread/INFO]: [Modifyworld] Disabling Modifyworld v1.19.7 [01:35:36] [Server thread/INFO]: [Modifyworld] Modifyworld successfully disabled! [01:35:36] [Server thread/INFO]: [CustomSpawners] Disabling CustomSpawners v0.6 [01:35:36] [Server thread/INFO]: Saving entities... [01:35:36] [Server thread/INFO]: 0 entities to save. [01:35:36] [Server thread/INFO]: Save complete! [01:35:36] [Server thread/INFO]: Saving spawners... [01:35:36] [Server thread/INFO]: 0 spawners to save. [01:35:36] [Server thread/INFO]: Save complete! [01:35:36] [Server thread/INFO]: Saving groups... [01:35:36] [Server thread/INFO]: 0 groups to save. [01:35:36] [Server thread/INFO]: Save complete! [01:35:36] [Server thread/INFO]: CustomSpawners by thebiologist13 has been disabled! [01:35:36] [Server thread/INFO]: [SkylandsPlus] Disabling SkylandsPlus v0.16-SNAPSHOT [01:35:36] [Server thread/INFO]: [NoLoginMessage] Disabling NoLoginMessage v1.2 [01:35:36] [Server thread/INFO]: [TimeShift] Disabling TimeShift v3.0 [01:35:36] [Server thread/INFO]: [FrameDisable] Disabling FrameDisable v1.0 [01:35:36] [Server thread/INFO]: [BooksWithoutBorders] Disabling BooksWithoutBorders v1.3.3b [01:35:36] [Server thread/INFO]: [BungeeSuite] Disabling Chat v0.5b-56 [01:35:36] [Server thread/INFO]: [FishingPlus] Disabling FishingPlus v1.7.9a [01:35:36] [Server thread/INFO]: [BungeeSuite] Disabling Warps v0.17-SNAPSHOTb-11 [01:35:36] [Server thread/INFO]: [Dynmap-WorldGuard] Disabling Dynmap-WorldGuard v0.50 [01:35:36] [Server thread/INFO]: [dynmap] Disabling dynmap v2.1-SNAPSHOT-1091 [01:35:36] [Server thread/INFO]: [dynmap] Unloaded 11 components. [01:35:36] [Server thread/INFO]: [dynmap] Stopping map renderer... [01:35:36] [Server thread/INFO]: [dynmap] Saved 10 pending tile renders in world 'w2' [01:35:36] [Server thread/INFO]: [dynmap] Saved 8 pending tile renders in world 'w3' [01:35:36] [Server thread/INFO]: [dynmap] Saved 18 pending tile renders in world 'w4' [01:35:36] [Server thread/INFO]: [dynmap] Saved 62 pending tile renders in world 'w6' [01:35:36] [Server thread/INFO]: [dynmap] Saved 34 pending tile renders in world 'w9' [01:35:36] [Server thread/INFO]: [dynmap] Disabled [01:35:36] [Server thread/INFO]: [WorldGuard] Disabling WorldGuard v5.9 [01:35:36] [Server thread/INFO]: [BungeeSuite] Disabling Bans v0.50b-8 [01:35:36] [Server thread/INFO]: [ItemScan] Disabling ItemScan v1.1 [01:35:36] [Server thread/INFO]: <> v1.1 is now Disabled! [01:35:36] [Server thread/INFO]: [PermissionsEx] Disabling PermissionsEx v1.23.2 [01:35:36] [Server thread/INFO]: WEPIF: PermissionsEx detected! Using PermissionsEx for permissions. [01:35:36] [Server thread/INFO]: [Vault][Permission] PermissionsEx un-hooked. [01:35:36] [Server thread/INFO]: [Vault][Chat] PermissionsEx_Chat un-hooked. [01:35:36] [Server thread/INFO]: [Multiverse-Core] Disabling Multiverse-Core v2.5-b693 [01:35:36] [Server thread/INFO]: [Vault] Disabling Vault v1.5.3-b37 [01:35:36] [Server thread/INFO]: [ArmorClear] Disabling ArmorClear v1.0 [01:35:36] [Server thread/INFO]: ArmorClear disabled [01:35:36] [Server thread/INFO]: [Uberjump] Disabling Uberjump v0.2 [01:35:36] [Server thread/INFO]: [Uberjump] Has been disabled! [01:35:36] [Server thread/INFO]: [BungeeSuite] Disabling Teleports v0.50b-22 [01:35:36] [Server thread/INFO]: [RedstoneJukeboxTrig] Disabling RedstoneJukeboxTrig v2.6.0 [01:35:36] [Server thread/INFO]: RedstoneJukeboxTrig has been disabled. [01:35:36] [Server thread/INFO]: [WorldEdit] Disabling WorldEdit v6.1;no_git_id [01:35:36] [Server thread/INFO]: Saving players [01:35:36] [Server thread/INFO]: Saving worlds [01:35:36] [Server thread/INFO]: Saving chunks for level 'w8'/Overworld [01:35:36] [Server thread/INFO]: Saving chunks for level 'w9'/Overworld [01:35:36] [Server thread/INFO]: Saving chunks for level 'w3'/Overworld [01:35:37] [Server thread/INFO]: Saving chunks for level 'w4'/Overworld [01:35:37] [Server thread/INFO]: Saving chunks for level 'wD'/The End [01:35:37] [Server thread/INFO]: Saving chunks for level 'w5'/Nether [01:35:37] [Server thread/INFO]: Saving chunks for level 'wC'/The End [01:35:37] [Server thread/INFO]: Saving chunks for level 'w6'/Overworld [01:35:37] [Server thread/INFO]: Saving chunks for level 'wB'/The End [01:35:37] [Server thread/INFO]: Saving chunks for level 'wA'/The End [01:35:37] [Server thread/INFO]: Saving chunks for level 'w1'/Overworld [01:35:37] [Server thread/INFO]: Saving chunks for level 'w2'/Overworld