MultiMC version: 0.7.0-4230 Launched instance in online mode sessionserver.mojang.com resolves to: [13.107.246.45] textures.minecraft.net resolves to: [13.107.246.45] api.minecraftservices.com resolves to: [13.107.246.45] Minecraft folder is: D:/Games/Minecraft/MultiMC/instances/1.7.10/.minecraft Java path is: C:/Program Files/Common Files/Oracle/Java/javapath/javaw.exe Checking Java version... Java is version 21.0.4, using amd64 architecture, from Oracle Corporation. Main Class: net.minecraft.launchwrapper.Launch Native path: D:/Games/Minecraft/MultiMC/instances/1.7.10/natives Libraries: D:/Games/Minecraft/MultiMC/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jar D:/Games/Minecraft/MultiMC/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jar D:/Games/Minecraft/MultiMC/libraries/org/lwjgl/lwjgl/lwjgl/2.9.4-nightly-20150209/lwjgl-2.9.4-nightly-20150209.jar D:/Games/Minecraft/MultiMC/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.4-nightly-20150209/lwjgl_util-2.9.4-nightly-20150209.jar D:/Games/Minecraft/MultiMC/libraries/com/mojang/netty/1.8.8/netty-1.8.8.jar D:/Games/Minecraft/MultiMC/libraries/com/mojang/realms/1.3.5/realms-1.3.5.jar D:/Games/Minecraft/MultiMC/libraries/org/apache/commons/commons-compress/1.8.1/commons-compress-1.8.1.jar D:/Games/Minecraft/MultiMC/libraries/org/apache/httpcomponents/httpclient/4.3.3/httpclient-4.3.3.jar D:/Games/Minecraft/MultiMC/libraries/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.jar D:/Games/Minecraft/MultiMC/libraries/org/apache/httpcomponents/httpcore/4.3.2/httpcore-4.3.2.jar D:/Games/Minecraft/MultiMC/libraries/java3d/vecmath/1.3.1/vecmath-1.3.1.jar D:/Games/Minecraft/MultiMC/libraries/net/sf/trove4j/trove4j/3.0.3/trove4j-3.0.3.jar D:/Games/Minecraft/MultiMC/libraries/com/ibm/icu/icu4j-core-mojang/51.2/icu4j-core-mojang-51.2.jar D:/Games/Minecraft/MultiMC/libraries/net/sf/jopt-simple/jopt-simple/4.5/jopt-simple-4.5.jar D:/Games/Minecraft/MultiMC/libraries/com/paulscode/codecjorbis/20101023/codecjorbis-20101023.jar D:/Games/Minecraft/MultiMC/libraries/com/paulscode/codecwav/20101023/codecwav-20101023.jar D:/Games/Minecraft/MultiMC/libraries/com/paulscode/libraryjavasound/20101123/libraryjavasound-20101123.jar D:/Games/Minecraft/MultiMC/libraries/com/paulscode/librarylwjglopenal/20100824/librarylwjglopenal-20100824.jar D:/Games/Minecraft/MultiMC/libraries/com/paulscode/soundsystem/20120107/soundsystem-20120107.jar D:/Games/Minecraft/MultiMC/libraries/io/netty/netty-all/4.0.10.Final/netty-all-4.0.10.Final.jar D:/Games/Minecraft/MultiMC/libraries/com/google/guava/guava/17.0/guava-17.0.jar D:/Games/Minecraft/MultiMC/libraries/org/apache/commons/commons-lang3/3.3.2/commons-lang3-3.3.2.jar D:/Games/Minecraft/MultiMC/libraries/commons-io/commons-io/2.4/commons-io-2.4.jar D:/Games/Minecraft/MultiMC/libraries/commons-codec/commons-codec/1.9/commons-codec-1.9.jar D:/Games/Minecraft/MultiMC/libraries/com/google/code/gson/gson/2.2.4/gson-2.2.4.jar D:/Games/Minecraft/MultiMC/libraries/com/mojang/authlib/1.5.21/authlib-1.5.21.jar D:/Games/Minecraft/MultiMC/libraries/org/apache/logging/log4j/log4j-api/2.0-beta9-fixed/log4j-api-2.0-beta9-fixed.jar D:/Games/Minecraft/MultiMC/libraries/org/apache/logging/log4j/log4j-core/2.0-beta9-fixed/log4j-core-2.0-beta9-fixed.jar D:/Games/Minecraft/MultiMC/libraries/tv/twitch/twitch/5.16/twitch-5.16.jar D:/Games/Minecraft/MultiMC/libraries/net/minecraftforge/forge/1.7.10-10.13.4.1614-1.7.10/forge-1.7.10-10.13.4.1614-1.7.10-universal.jar D:/Games/Minecraft/MultiMC/libraries/net/minecraft/launchwrapper/1.12/launchwrapper-1.12.jar D:/Games/Minecraft/MultiMC/libraries/org/ow2/asm/asm-all/5.0.3/asm-all-5.0.3.jar D:/Games/Minecraft/MultiMC/libraries/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar D:/Games/Minecraft/MultiMC/libraries/com/typesafe/config/1.2.1/config-1.2.1.jar D:/Games/Minecraft/MultiMC/libraries/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar D:/Games/Minecraft/MultiMC/libraries/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar D:/Games/Minecraft/MultiMC/libraries/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar D:/Games/Minecraft/MultiMC/libraries/org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar D:/Games/Minecraft/MultiMC/libraries/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar D:/Games/Minecraft/MultiMC/libraries/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar D:/Games/Minecraft/MultiMC/libraries/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar D:/Games/Minecraft/MultiMC/libraries/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar D:/Games/Minecraft/MultiMC/libraries/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar D:/Games/Minecraft/MultiMC/libraries/lzma/lzma/0.0.1/lzma-0.0.1.jar D:/Games/Minecraft/MultiMC/libraries/com/mojang/minecraft/1.7.10/minecraft-1.7.10-client.jar Native libraries: D:/Games/Minecraft/MultiMC/libraries/net/java/jinput/jinput-platform/2.0.5/jinput-platform-2.0.5-natives-windows.jar D:/Games/Minecraft/MultiMC/libraries/org/lwjgl/lwjgl/lwjgl-platform/2.9.4-nightly-20150209/lwjgl-platform-2.9.4-nightly-20150209-natives-windows.jar D:/Games/Minecraft/MultiMC/libraries/tv/twitch/twitch-platform/5.16/twitch-platform-5.16-natives-windows-64.jar D:/Games/Minecraft/MultiMC/libraries/tv/twitch/twitch-external-platform/4.5/twitch-external-platform-4.5-natives-windows-64.jar Mods: [✔️] [1.7.10] SecurityCraft v1.8.13.jar [✔️] AdvancedLightsabers-1.7.10-1.2.2.jar [✔️] adventurebackpack-1.7.10-0.8c.jar [✔️] aether-1.7.10-v1.1.2.5.jar [✔️] BiomesOPlenty-1.7.10-2.1.0.2308-universal.jar [✔️] Chisel-2.9.5.11.jar [✔️] CodeChickenCore-1.7.10-1.0.7.48-universal.jar [✔️] CoFHLib-[1.7.10]1.2.1-185.jar [✔️] fsmm-1.20.jar [✔️] GraveStone Mod 0.7.10.3.jar [✔️] ironchest-1.7.10-6.0.62.742-universal.jar [✔️] ironfurnaces-1.2.4R.jar [✔️] journeymap-1.7.10-5.2.8-unlimited.jar [✔️] Mekanism-1.7.10-9.1.1.1031.jar [✔️] MekanismGenerators-1.7.10-9.1.1.1031.jar [✔️] MrCrayfishFurnitureModv3.4.7(1.7.10).jar [✔️] NotEnoughItems-1.7.10-1.0.5.120-universal.jar [✔️] sit-1.7.10-v1.1.jar [✔️] Techguns.beta.1.2_alphatest4.1.jar [✔️] twilightforest-1.7.10-2.3.7.jar [✔️] warpbook-1.7.10_2.0.37.jar [✔️] Waystones-mc1.7.10-1.0.12.jar [✔️] worldedit-forge-mc1.7.10-6.1.1-dist.jar Params: --username Nueva_A --version 1.7.10 --gameDir D:/Games/Minecraft/MultiMC/instances/1.7.10/.minecraft --assetsDir D:/Games/Minecraft/MultiMC/assets --assetIndex 1.7.10 --uuid --accessToken --userProperties {} --userType msa --tweakClass cpw.mods.fml.common.launcher.FMLTweaker Window size: max (if available) Java Arguments: [-XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump, -Xms1024m, -Xmx4224m, -Duser.language=en] Minecraft process ID: 13188 Using onesix launcher. Failed to start Minecraft: java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap') at net.minecraft.launchwrapper.Launch.(Launch.java:34) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:243) at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:278) at org.multimc.EntryPoint.listen(EntryPoint.java:143) at org.multimc.EntryPoint.main(EntryPoint.java:34) Exiting with -1 Process exited with exit code -1 (0xffffffffffffffff). Please note that usually neither the exit code, nor its description are enough to diagnose issues! Always upload the entire log and not just the exit code. MultiMC: Log upload triggered at: 28 Apr 2025 14:43:07 +0200