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 1.21.8 - 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:              1.21.8
Modloader:                      NeoForge
Modloader version:              21.8.54
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 21.8.54 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-21.8.54-installer.jar
[16:28:06] [main/INFO]: ModLauncher running: args [--launchTarget, neoforgeserver, --fml.neoForgeVersion, 21.8.54, --fml.fmlVersion, 9.0.18, --fml.mcVersion, 1.21.8, --fml.neoFormVersion, 20250717.133445, nogui]
[16:28:06] [main/INFO]: JVM identified as Eclipse Adoptium OpenJDK 64-Bit Server VM 21.0.12.1+1-LTS
[16:28:06] [main/INFO]: ModLauncher 9.0 starting: java version 21.0.12.1 by Eclipse Adoptium; OS Linux arch amd64 version 5.15.0-1114-realtime
[16:28:06] [main/INFO]: ImmediateWindowProvider not loading because launch target is neoforgeserver
[16:28:06] [main/INFO]: SpongePowered MIXIN Subsystem Version=0.8.7 Source=union:/srv/pack/libraries/net/fabricmc/sponge-mixin/0.15.2+mixin.0.8.7/sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/ Service=ModLauncher Env=SERVER
[16:28:06] [main/INFO]: Found mod file "server-1.21.8-20250717.133445-srg.jar" [locator: production server provider +net.neoforged:neoforge:21.8.54:server]
[16:28:06] [main/INFO]: Found mod file "neoforge-21.8.54-universal.jar" [locator: PathBasedLocator[name=neoforge, paths=[libraries/net/neoforged/neoforge/21.8.54/neoforge-21.8.54-universal.jar]], reader: mod manifest]
[16:28:06] [main/INFO]: Found mod file "FactoryAPI-1.21.8-2.2.9-neoforge.jar" [locator: {mods folder locator at /srv/pack/mods}, reader: mod manifest]
[16:28:06] [main/INFO]: Found mod file "Legacy4J-1.21.10-1.8.5.2548.0-neoforge.jar" [locator: {mods folder locator at /srv/pack/mods}, reader: mod manifest]
[16:28:06] [main/INFO]: Found mod file "legacyskins-1.6.5+neoforge+1.21.8.jar" [locator: {mods folder locator at /srv/pack/mods}, reader: mod manifest]
[16:28:07] [main/INFO]: Found 4 dependencies adding them to mods collection
[16:28:07] [main/INFO]: Found gamelibrary file "mixinextras-neoforge-0.5.3.jar" [parent: neoforge-21.8.54-universal.jar, locator: jarinjar, reader: mod manifest]
[16:28:07] [main/INFO]: Found gamelibrary file "mixinconstraints-1.1.0.jar" [parent: FactoryAPI-1.21.8-2.2.9-neoforge.jar, locator: jarinjar, reader: mod manifest]
[16:28:07] [main/INFO]: Found library file "libsdl4j-3.2.18.release-3.2.18-79.jar" [parent: Legacy4J-1.21.10-1.8.5.2548.0-neoforge.jar, locator: jarinjar]
[16:28:07] [main/INFO]: Found library file "net.neoforged.neoforge-coremods-21.8.54.jar" [parent: neoforge-21.8.54-universal.jar, locator: jarinjar, reader: mod manifest]
[16:28:07] [main/INFO]: 
     Mod List:
		Name Version (Mod Id)
		Factory API 2.2.9 (factory_api)
		Legacy Skins 1.6.5+neoforge+1.21.8 (legacyskins)
		Legacy4J 1.8.5.2548.0 (legacy)
		Minecraft 1.21.8 (minecraft)
		NeoForge 21.8.54 (neoforge)
[16:28:07] [main/ERROR]: Missing or unsupported mandatory dependencies:
	Mod ID: 'minecraft', Requested by: 'legacy', Expected range: '[1.21.10,1.21.10]', Actual version: '1.21.8'
[16:28:07] [main/INFO]: Launching target 'neoforgeserver' with arguments [nogui]
2026-09-27T16:28:07.706427254Z main WARN Advanced terminal features are not available in this environment
[16:28:09] [main/INFO] [MixinExtras|Service/]: Initializing MixinExtras via com.llamalad7.mixinextras.service.MixinExtrasServiceImpl(version=0.5.3).
2026-09-27T16:28:17.797393132Z main WARN found 1 argument placeholders, but provided 2 for pattern `Error during pre-loading phase: {}`
[16:28:17] [main/FATAL] [ne.ne.fm.ModLoader/CORE]: Error during pre-loading phase: Mod legacy requires minecraft 1.21.10
Currently, minecraft is 1.21.8
[16:28:17] [main/ERROR] [minecraft/CrashReport]: Negative index in crash report handler (0/25)
[16:28:17] [main/FATAL] [ne.ne.ne.se.lo.ServerModLoader/]: Crash report saved to ./crash-reports/crash-2026-09-27_16.28.17-fml.txt
---- Minecraft Crash Report ----
// But it works on my machine.
Time: 2026-09-27 16:28:17
Description: Mod loading failures have occurred; consult the issue messages for more details
net.neoforged.neoforge.logging.CrashReportExtender$ModLoadingCrashException: Mod loading has failed
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Mod loading issue for: legacy --
Details:
	Mod file: /srv/pack/mods/Legacy4J-1.21.10-1.8.5.2548.0-neoforge.jar
	Failure message: Mod legacy requires minecraft 1.21.10
		Currently, minecraft is 1.21.8
		
	Mod version: 1.8.5.2548.0
	Mod issues URL: https://github.com/Wilyicaro/Legacy-Minecraft/issues
	Exception message: <No associated exception found>
-- System Details --
Details:
	Minecraft Version: 1.21.8
	Minecraft Version ID: 1.21.8
	Operating System: Linux (amd64) version 5.15.0-1114-realtime
	Java Version: 21.0.12.1, Eclipse Adoptium
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium
	Memory: 77594624 bytes (74 MiB) / 217055232 bytes (207 MiB) up to 805306368 bytes (768 MiB)
	CPUs: 2
	Processor Vendor: GenuineIntel
	Processor Name: Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz
	Identifier: Intel64 Family 6 Model 158 Stepping 12
	Microarchitecture: Coffee Lake
	Frequency (GHz): 3.60
	Number of physical packages: 1
	Number of physical CPUs: 8
	Number of logical CPUs: 16
	Graphics card #0 name: unknown
	Graphics card #0 vendor: unknown
	Graphics card #0 VRAM (MiB): 0.00
	Graphics card #0 deviceId: unknown
	Graphics card #0 versionInfo: unknown
	Virtual memory max (MiB): 68454.64
	Virtual memory used (MiB): 26396.34
	Swap memory total (MiB): 4096.00
	Swap memory used (MiB): 1859.78
	Space in storage for jna.tmpdir (MiB): <path not set>
	Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): <path not set>
	Space in storage for io.netty.native.workdir (MiB): <path not set>
	Space in storage for java.io.tmpdir (MiB): available: 64358.52, total: 64358.65
	Space in storage for workdir (MiB): available: 2384101.75, total: 7564391.00
	JVM Flags: 0 total; 
	ModLauncher: 9.0
	ModLauncher launch target: neoforgeserver
	ModLauncher services: 
		sponge-mixin-0.15.2+mixin.0.8.7.jar mixin PLUGINSERVICE 
		loader-9.0.18.jar neoforgedevdistcleaner PLUGINSERVICE 
		loader-9.0.18.jar slf4jfixer PLUGINSERVICE 
		loader-9.0.18.jar runtime_enum_extender PLUGINSERVICE 
		loader-9.0.18.jar accesstransformer PLUGINSERVICE 
		loader-9.0.18.jar mixin TRANSFORMATIONSERVICE 
		loader-9.0.18.jar fml TRANSFORMATIONSERVICE 
	FML Language Providers: 
		javafml@9.0
		minecraft@9.0
	Mod List: 
		server-1.21.8-20250717.133445-srg.jar             |Minecraft                     |minecraft                     |1.21.8              |Manifest: NOSIGNATURE
		neoforge-21.8.54-universal.jar                    |NeoForge                      |neoforge                      |21.8.54             |Manifest: NOSIGNATURE
[16:28:17] [main/ERROR] [minecraft/Main]: Failed to start the minecraft server
net.neoforged.fml.ModLoadingException: Loading errors encountered:
	- Mod legacy requires minecraft 1.21.10
	  Currently, minecraft is 1.21.8
	  
	at MC-BOOTSTRAP/fml_loader@9.0.18/net.neoforged.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:108) ~[loader-9.0.18.jar%2372!/:9.0] {}
	at TRANSFORMER/neoforge@21.8.54/net.neoforged.neoforge.internal.CommonModLoader.begin(CommonModLoader.java:49) ~[neoforge-21.8.54-universal.jar%23147!/:?] {re:classloading}
	at TRANSFORMER/neoforge@21.8.54/net.neoforged.neoforge.server.loading.ServerModLoader.load(ServerModLoader.java:29) ~[neoforge-21.8.54-universal.jar%23147!/:?] {re:classloading}
	at TRANSFORMER/minecraft@1.21.8/net.minecraft.server.Main.main(Main.java:120) ~[server-1.21.8-20250717.133445-srg.jar%23146!/:?] {re:classloading}
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?] {}
	at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?] {}
	at MC-BOOTSTRAP/fml_loader@9.0.18/net.neoforged.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:132) ~[loader-9.0.18.jar%2372!/:9.0] {}
	at MC-BOOTSTRAP/fml_loader@9.0.18/net.neoforged.fml.loading.targets.CommonLaunchHandler.serverService(CommonLaunchHandler.java:124) ~[loader-9.0.18.jar%2372!/:9.0] {}
	at MC-BOOTSTRAP/fml_loader@9.0.18/net.neoforged.fml.loading.targets.NeoForgeServerLaunchHandler.runService(NeoForgeServerLaunchHandler.java:41) ~[loader-9.0.18.jar%2372!/:9.0] {}
	at MC-BOOTSTRAP/fml_loader@9.0.18/net.neoforged.fml.loading.targets.CommonLaunchHandler.lambda$launchService$4(CommonLaunchHandler.java:114) ~[loader-9.0.18.jar%2372!/:9.0] {}
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:25) [loader-9.0.18.jar%2372!/:9.0] {}
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:55) [loader-9.0.18.jar%2372!/:9.0] {}
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:73) [loader-9.0.18.jar%2372!/:9.0] {}
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.Launcher.run(Launcher.java:104) [loader-9.0.18.jar%2372!/:9.0] {}
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.Launcher.main(Launcher.java:75) [loader-9.0.18.jar%2372!/:9.0] {}
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?] {}
	at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?] {}
	at cpw.mods.bootstraplauncher/cpw.mods.bootstraplauncher.BootstrapLauncher.run(BootstrapLauncher.java:203) [bootstraplauncher-9.0.18.jar:?] {}
	at cpw.mods.bootstraplauncher/cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:62) [bootstraplauncher-9.0.18.jar:?] {}
	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] {}
Exiting...