Start script generated by ServerPackCreator dev.
To change the launch settings of this server, such as JVM args / flags, Minecraft version, modloader version etc., edit the variables.txt-file.
Detected 1.21.11 - Java 21
Running NeoForge checks and setup...
Generating user_jvm_args.txt from variables...
Edit JAVA_ARGS in your variables.txt. Do not edit user_jvm_args.txt directly!
Manually made changes to user_jvm_args.txt will be lost in the nether!
server.jar present.
Starting server...
Minecraft version:              1.21.11
Modloader:                      NeoForge
Modloader version:              21.11.45
LegacyFabric Installer Version: 1.1.1
Fabric Installer Version:       1.1.2
Quilt Installer Version:        0.15.1
Java Args:                      
Additional Args:                -Dlog4j2.formatMsgNoLookups=true
SSJ Forge Args:                 -Djava.security.manager=allow
Java Path:                      /opt/java-21/bin/java
Wait For User Input:            false
Run Command:       /opt/java-21/bin/java -Dlog4j2.formatMsgNoLookups=true @user_jvm_args.txt -jar server.jar --installer-force --installer 21.11.45 nogui
Java version:
openjdk version "21.0.12.1" 2026-08-18 LTS
OpenJDK Runtime Environment Temurin-21.0.12.1+1 (build 21.0.12.1+1-LTS)
OpenJDK 64-Bit Server VM Temurin-21.0.12.1+1 (build 21.0.12.1+1-LTS, mixed mode, sharing)
Failed to compute version of installer: neoforge-21.11.45-installer.jar
2026-09-27T19:21:16.449595619Z main WARN Advanced terminal features are not available in this environment
[19:21:16] [main/INFO] [ne.ne.fm.st.Entrypoint/]: JVM Uptime at startup: 189ms
[19:21:16] [main/INFO] [ne.ne.fm.lo.FMLLoader/]: Starting FancyModLoader version 10.0.36 (DEDICATED_SERVER in PROD)
[19:21:16] [main/INFO] [ne.ne.fm.lo.FMLLoader/]: Game directory: /srv/pack
[19:21:16] [main/INFO] [ne.ne.fm.lo.EarlyServiceDiscovery/]: Found 2 early service jars (out of 71) in 27ms
[19:21:16] [main/INFO] [ne.ne.fm.lo.FMLLoader/]: Loading FML Early Services:
[19:21:16] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - libraries/net/neoforged/fancymodloader/loader/10.0.36/loader-10.0.36.jar
[19:21:16] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - libraries/net/neoforged/fancymodloader/earlydisplay/10.0.36/earlydisplay-10.0.36.jar
[19:21:16] [main/INFO] [ne.ne.fm.lo.ImmediateWindowHandler/]: Not loading early display in headless mode.
[19:21:16] [main/INFO] [ne.ne.fm.lo.mo.lo.GameLocator/]: Failed to find common Minecraft classes and resources on the classpath. Assuming we're launching production.
[19:21:17] [main/INFO] [ne.ne.fm.lo.mo.lo.JarInJarDependencyLocator/]: Found 15 dependencies adding them to mods collection
[19:21:17] [main/INFO] [ne.ne.fm.lo.mo.ModDiscoverer/]: 
     Mod List:
		Name Version (Mod Id)
		Fzzy Config 0.7.7+1.21.11+neoforge (fzzy_config)
		Kotlin For Forge 6.3.0 (kotlinforforge)
		Minecraft 1.21.11 (minecraft)
		NeoForge 21.11.45 (neoforge)
		Simple Music Control 1.4.0 (simple_music_control)
[19:21:17] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.7 Source=file:/srv/pack/libraries/net/fabricmc/sponge-mixin/0.16.5+mixin.0.8.7/sponge-mixin-0.16.5+mixin.0.8.7.jar Service=FML Env=SERVER
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]: Loading FML Plugins:
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/fzzy_config-0.7.7+1.21.11+neoforge.jar > jankson-1.2.3.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/kotlinforforge-6.3.0-all.jar > kotlinx-serialization-core-jvm-1.11.0.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/kotlinforforge-6.3.0-all.jar > kotlinx-coroutines-jdk8-1.11.0.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/kotlinforforge-6.3.0-all.jar > kotlin-stdlib-2.4.0.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/kotlinforforge-6.3.0-all.jar > kotlinx-serialization-json-jvm-1.11.0.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/kotlinforforge-6.3.0-all.jar > thedarkcolour.kfflang-6.3.0.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/fzzy_config-0.7.7+1.21.11+neoforge.jar > tomlkt-jvm-0.3.7.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/kotlinforforge-6.3.0-all.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/kotlinforforge-6.3.0-all.jar > kotlinx-coroutines-core-jvm-1.11.0.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/kotlinforforge-6.3.0-all.jar > kotlin-reflect-2.4.0.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - ~libraries/net/neoforged/neoforge/21.11.45/neoforge-21.11.45-universal.jar > net.neoforged.neoforge-coremods-21.11.45.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/kotlinforforge-6.3.0-all.jar > kotlin-stdlib-jdk8-2.4.0.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]:  - mods/kotlinforforge-6.3.0-all.jar > kotlin-stdlib-jdk7-2.4.0.jar
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]: Building game content classloader:
 - fzzy_config (jar(mods/fzzy_config-0.7.7+1.21.11+neoforge.jar))
 - kotlinforforge (jar(mods/kotlinforforge-6.3.0-all.jar > thedarkcolour.kffmod-6.3.0.jar))
 - minecraft (jar(~libraries/net/neoforged/minecraft-server-patched/21.11.45/minecraft-server-patched-21.11.45.jar))
 - mixinextras.neoforge (jar(~libraries/net/neoforged/neoforge/21.11.45/neoforge-21.11.45-universal.jar > mixinextras-neoforge-0.5.3.jar))
 - neoforge (jar(~libraries/net/neoforged/neoforge/21.11.45/neoforge-21.11.45-universal.jar))
 - net.neoforged.fml.generated (empty(VirtualJar/net.neoforged.fml.generated))
 - simple_music_control (jar(mods/simple_music_control-1.4.0+1.21.11-neoforge.jar))
 - thedarkcolour.kfflib (jar(mods/kotlinforforge-6.3.0-all.jar > thedarkcolour.kfflib-6.3.0.jar))
[19:21:17] [main/INFO] [ne.ne.fm.lo.FMLLoader/]: Built game content classloader in 31ms
[19:21:19] [main/INFO] [MixinExtras|Service/]: Initializing MixinExtras via com.llamalad7.mixinextras.service.MixinExtrasServiceImpl(version=0.5.3).
[19:21:27] [main/WARN] [mixin/]: Error loading class: net/minecraft/client/Minecraft (java.lang.ClassNotFoundException: net.minecraft.client.Minecraft)
[19:21:27] [main/ERROR] [minecraft/Main]: Failed to start the minecraft server
org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
	at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:381) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:253) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at net.neoforged.fml.loading.mixin.FMLMixinClassProcessor.processClass(FMLMixinClassProcessor.java:96) ~[loader-10.0.36.jar:10.0] {}
	at net.neoforged.fml.classloading.transformation.ClassTransformer.transform(ClassTransformer.java:96) ~[loader-10.0.36.jar:10.0] {}
	at net.neoforged.fml.classloading.transformation.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:47) ~[loader-10.0.36.jar:10.0] {}
	at net.neoforged.fml.classloading.ModuleClassLoader.readerToClass(ModuleClassLoader.java:224) ~[loader-10.0.36.jar:10.0] {}
	at net.neoforged.fml.classloading.ModuleClassLoader.loadClass(ModuleClassLoader.java:245) ~[loader-10.0.36.jar:10.0] {}
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] {}
	at TRANSFORMER/minecraft@1.21.11/net.minecraft.world.attribute.AttributeTypes.<clinit>(AttributeTypes.java:34) ~[minecraft-server-patched-21.11.45.jar:?] {}
	at TRANSFORMER/minecraft@1.21.11/net.minecraft.world.attribute.EnvironmentAttributes.<clinit>(EnvironmentAttributes.java:15) ~[minecraft-server-patched-21.11.45.jar:?] {}
	at TRANSFORMER/minecraft@1.21.11/net.minecraft.core.registries.BuiltInRegistries.lambda$internalRegister$48(BuiltInRegistries.java:387) ~[minecraft-server-patched-21.11.45.jar:?] {}
	at TRANSFORMER/minecraft@1.21.11/net.minecraft.core.registries.BuiltInRegistries.lambda$createContents$49(BuiltInRegistries.java:400) ~[minecraft-server-patched-21.11.45.jar:?] {}
	at java.base/java.util.LinkedHashMap.forEach(LinkedHashMap.java:986) ~[?:?] {}
	at TRANSFORMER/minecraft@1.21.11/net.minecraft.core.registries.BuiltInRegistries.createContents(BuiltInRegistries.java:399) ~[minecraft-server-patched-21.11.45.jar:?] {}
	at TRANSFORMER/minecraft@1.21.11/net.minecraft.core.registries.BuiltInRegistries.bootStrap(BuiltInRegistries.java:393) ~[minecraft-server-patched-21.11.45.jar:?] {}
	at TRANSFORMER/minecraft@1.21.11/net.minecraft.server.Bootstrap.bootStrap(Bootstrap.java:58) ~[minecraft-server-patched-21.11.45.jar:?] {}
	at TRANSFORMER/minecraft@1.21.11/net.minecraft.server.Main.main(Main.java:112) [minecraft-server-patched-21.11.45.jar:?] {}
	at net.neoforged.fml.startup.Server.main(Server.java:19) [loader-10.0.36.jar:10.0] {}
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?] {}
	at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?] {}
	at net.neoforged.serverstarterjar.Main.mainLaunch(Main.java:306) [server.jar:0.1.35] {}
	at net.neoforged.serverstarterjar.Main.main(Main.java:76) [server.jar:0.1.35] {}
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?] {}
	at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?] {}
	at net.neoforged.serverstarterjar.Main8.main(Main8.java:19) [server.jar:0.1.35] {}
Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinPreProcessorException: Attach error for simple_music_control.mixins.json:BackgroundMusicMixin from mod simple_music_control during activity: [Transform -> Method allowCreativeMusicInSurvival(Ljava/util/Optional;)Ljava/util/Optional; -> INVOKESTATIC -> net/minecraft/client/Minecraft::getInstance:()Lnet/minecraft/client/Minecraft;]
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:313) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:277) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1292) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:203) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:437) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:418) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:352) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	... 24 more
Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transformMemberReference(MixinPreProcessorStandard.java:791) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transformMethod(MixinPreProcessorStandard.java:777) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transform(MixinPreProcessorStandard.java:743) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:307) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:277) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1292) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:203) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:437) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:418) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:352) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	... 24 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transformMemberReference(MixinPreProcessorStandard.java:791) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transformMethod(MixinPreProcessorStandard.java:777) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transform(MixinPreProcessorStandard.java:743) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:307) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:277) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1292) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:203) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:437) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:418) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:352) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] {}
	... 24 more
[19:21:27] [main/INFO] [ne.ne.fm.lo.FMLLoader/]: Closing FML Loader 30745c7c
[19:21:27] [main/INFO] [ne.ne.fm.ModLoader/]: Clearing ModLoader
net.neoforged.fml.startup.FatalStartupException: Couldn't find Minecraft server thread. Startup likely failed.
	at net.neoforged.fml.startup.Server.main(Server.java:23)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at net.neoforged.serverstarterjar.Main.mainLaunch(Main.java:306)
	at net.neoforged.serverstarterjar.Main.main(Main.java:76)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at net.neoforged.serverstarterjar.Main8.main(Main8.java:19)
Exiting...