MultiMC version: 0.7.0-4228


Launched instance in online mode

sessionserver.mojang.com resolves to:
    [13.107.246.77, 2620:1ec:bdf::77]

textures.minecraft.net resolves to:
    [13.107.246.77, 2620:1ec:bdf::77]

api.minecraftservices.com resolves to:
    [13.107.246.77, 2620:1ec:bdf::77]


Minecraft folder is:
/home/jakub-linuxpc/.local/share/multimc/instances/1.8.9/.minecraft


Java path is:
/sbin/java


Checking Java version...
Java is version 21.0.6, using amd64 architecture, from Arch Linux.


11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz
Intel Corporation TigerLake-LP GT2 [Iris Xe Graphics] (rev 01)

Subsystem: Huaqin Technology Co.Ltd Device 3e35

Kernel driver in use: i915

Main Class:
  net.minecraft.launchwrapper.Launch

Native path:
  /home/jakub-linuxpc/.local/share/multimc/instances/1.8.9/natives

Libraries:
  /home/jakub-linuxpc/.local/share/multimc/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/lwjgl/lwjgl/lwjgl/2.9.4-nightly-20150209/lwjgl-2.9.4-nightly-20150209.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.4-nightly-20150209/lwjgl_util-2.9.4-nightly-20150209.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/mojang/netty/1.8.8/netty-1.8.8.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/oshi-project/oshi-core/1.1/oshi-core-1.1.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/net/java/dev/jna/jna/3.4.0/jna-3.4.0.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/net/java/dev/jna/platform/3.4.0/platform-3.4.0.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/ibm/icu/icu4j-core-mojang/51.2/icu4j-core-mojang-51.2.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/net/sf/jopt-simple/jopt-simple/4.6/jopt-simple-4.6.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/paulscode/codecjorbis/20101023/codecjorbis-20101023.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/paulscode/codecwav/20101023/codecwav-20101023.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/paulscode/libraryjavasound/20101123/libraryjavasound-20101123.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/paulscode/librarylwjglopenal/20100824/librarylwjglopenal-20100824.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/paulscode/soundsystem/20120107/soundsystem-20120107.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/io/netty/netty-all/4.0.23.Final/netty-all-4.0.23.Final.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/google/guava/guava/17.0/guava-17.0.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/apache/commons/commons-lang3/3.3.2/commons-lang3-3.3.2.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/commons-io/commons-io/2.4/commons-io-2.4.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/commons-codec/commons-codec/1.9/commons-codec-1.9.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/google/code/gson/gson/2.2.4/gson-2.2.4.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/mojang/authlib/1.5.21/authlib-1.5.21.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/mojang/realms/1.7.59/realms-1.7.59.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/apache/commons/commons-compress/1.8.1/commons-compress-1.8.1.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/apache/httpcomponents/httpclient/4.3.3/httpclient-4.3.3.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/apache/httpcomponents/httpcore/4.3.2/httpcore-4.3.2.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/apache/logging/log4j/log4j-api/2.0-beta9-fixed/log4j-api-2.0-beta9-fixed.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/apache/logging/log4j/log4j-core/2.0-beta9-fixed/log4j-core-2.0-beta9-fixed.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/tv/twitch/twitch/6.5/twitch-6.5.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/net/minecraftforge/forge/1.8.9-11.15.1.2318-1.8.9/forge-1.8.9-11.15.1.2318-1.8.9-universal.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/net/minecraft/launchwrapper/1.12/launchwrapper-1.12.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/ow2/asm/asm-all/5.0.3/asm-all-5.0.3.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/jline/jline/2.13/jline-2.13.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/typesafe/config/1.2.1/config-1.2.1.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar
  /home/jakub-linuxpc/.local/share/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
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/lzma/lzma/0.0.1/lzma-0.0.1.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/java3d/vecmath/1.5.2/vecmath-1.5.2.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/net/sf/trove4j/trove4j/3.0.3/trove4j-3.0.3.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/com/mojang/minecraft/1.8.9/minecraft-1.8.9-client.jar

Native libraries:
  /home/jakub-linuxpc/.local/share/multimc/libraries/net/java/jinput/jinput-platform/2.0.5/jinput-platform-2.0.5-natives-linux.jar
  /home/jakub-linuxpc/.local/share/multimc/libraries/org/lwjgl/lwjgl/lwjgl-platform/2.9.4-nightly-20150209/lwjgl-platform-2.9.4-nightly-20150209-natives-linux.jar

Params:
  --username Bika787Bika --version 1.8.9 --gameDir /home/jakub-linuxpc/.local/share/multimc/instances/1.8.9/.minecraft --assetsDir /home/jakub-linuxpc/.local/share/multimc/assets --assetIndex 1.8 --uuid <PROFILE ID> --accessToken <ACCESS TOKEN> --userProperties {} --userType msa --tweakClass net.minecraftforge.fml.common.launcher.FMLTweaker

Window size: 854 x 480

Java Arguments:
[-Xms1024m, -Xmx8192m, -Duser.language=en]


Minecraft process ID: 1708


Using onesix launcher.

Failed to start Minecraft:
Exiting with -1
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.<init>(Launch.java:34)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
	at java.base/java.lang.reflect.Method.invoke(Unknown Source)
	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)
Process exited with exit code 255 (0xff).
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: 19 Mar 2025 12:38:28 +0100