Servercrash while booting the Server (bettermc@linux)

Kiva · September 23, 2022

Hey guys, i set up a little linux v-server for me and my Friends, everything worked okayish, but suddenly we got some crashes randomly when someone logged in.

this is the modpack we use for our server: https://www.curseforge.com/minecraft/modpacks/better-mc-forge

here is one of the crash logs:

https://pastebin.com/embed_js/sEfbVeBf

afterwards i tried to give the server more RAM, so i edited the unix_args.txt file and added -xms6g and -xmx10g to it, afterwards the server didnt start anymore because it looked like i put it in the wrong place (sorry but somehow pastebin doesnt work anymore):

Spoiler

-xmx6g -xmx10g
-p libraries/cpw/mods/bootstraplauncher/1.0.0/bootstraplauncher-1.0.0.jar:libraries/cpw/mods/securejarhandler/1.0.3/securejarhandler-1.0.3.jar:libraries/org/ow2/asm/asm-commons/9.2/asm-commons-9.2.jar:libraries/org/ow2/asm/asm-util/9.2/asm-util-9.2.jar:libraries/org/ow2/asm/asm-analysis/9.2/asm-analysis-9.2.jar:libraries/org/ow2/asm/asm-tree/9.2/asm-tree-9.2.jar:libraries/org/ow2/asm/asm/9.2/asm-9.2.jar
--add-modules ALL-MODULE-PATH
--add-opens java.base/java.util.jar=cpw.mods.securejarhandler
--add-exports java.base/sun.security.util=cpw.mods.securejarhandler
--add-exports jdk.naming.dns/com.sun.jndi.dns=java.naming
-Djava.net.preferIPv6Addresses=system
-DignoreList=bootstraplauncher-1.0.0.jar,securejarhandler-1.0.3.jar,asm-commons-9.2.jar,asm-util-9.2.jar,asm-analysis-9.2.jar,asm-tree-9.2.jar,asm-9.2.jar
-DlibraryDirectory=libraries
-DlegacyClassPath=libraries/cpw/mods/securejarhandler/1.0.3/securejarhandler-1.0.3.jar:libraries/org/ow2/asm/asm/9.2/asm-9.2.jar:libraries/org/ow2/asm/asm-commons/9.2/asm-commons-9.2.jar:libraries/org/ow2/asm/asm-tree/9.2/asm-tree-9.2.jar:libraries/org/ow2/asm/asm-util/9.2/asm-util-9.2.jar:libraries/org/ow2/asm/asm-analysis/9.2/asm-analysis-9.2.jar:libraries/net/minecraftforge/accesstransformers/8.0.4/accesstransformers-8.0.4.jar:libraries/org/antlr/antlr4-runtime/4.9.1/antlr4-runtime-4.9.1.jar:libraries/net/minecraftforge/eventbus/5.0.3/eventbus-5.0.3.jar:libraries/net/minecraftforge/forgespi/4.0.15-4.x/forgespi-4.0.15-4.x.jar:libraries/net/minecraftforge/coremods/5.0.1/coremods-5.0.1.jar:libraries/cpw/mods/modlauncher/9.1.3/modlauncher-9.1.3.jar:libraries/net/minecraftforge/unsafe/0.2.0/unsafe-0.2.0.jar:libraries/com/electronwill/night-config/core/3.6.4/core-3.6.4.jar:libraries/com/electronwill/night-config/toml/3.6.4/toml-3.6.4.jar:libraries/org/apache/maven/maven-artifact/3.6.3/maven-artifact-3.6.3.jar:libraries/net/jodah/typetools/0.8.3/typetools-0.8.3.jar:libraries/net/minecrell/terminalconsoleappender/1.2.0/terminalconsoleappender-1.2.0.jar:libraries/org/jline/jline-reader/3.12.1/jline-reader-3.12.1.jar:libraries/org/jline/jline-terminal/3.12.1/jline-terminal-3.12.1.jar:libraries/org/spongepowered/mixin/0.8.5/mixin-0.8.5.jar:libraries/org/openjdk/nashorn/nashorn-core/15.3/nashorn-core-15.3.jar:libraries/net/minecraftforge/JarJar/0.3.0/JarJar-0.3.0.jar:libraries/net/minecraftforge/fmlloader/1.18.2-40.1.68/fmlloader-1.18.2-40.1.68.jar:libraries/net/minecraft/server/1.18.2-20220404.173914/server-1.18.2-20220404.173914-extra.jar:libraries/com/github/oshi/oshi-core/5.8.5/oshi-core-5.8.5.jar:libraries/com/google/code/gson/gson/2.8.9/gson-2.8.9.jar:libraries/com/google/guava/failureaccess/1.0.1/failureaccess-1.0.1.jar:libraries/com/google/guava/guava/31.0.1-jre/guava-31.0.1-jre.jar:libraries/com/mojang/authlib/3.3.39/authlib-3.3.39.jar:libraries/com/mojang/brigadier/1.0.18/brigadier-1.0.18.jar:libraries/com/mojang/datafixerupper/4.1.27/datafixerupper-4.1.27.jar:libraries/com/mojang/javabridge/1.2.24/javabridge-1.2.24.jar:libraries/com/mojang/logging/1.0.0/logging-1.0.0.jar:libraries/commons-io/commons-io/2.11.0/commons-io-2.11.0.jar:libraries/io/netty/netty-all/4.1.68.Final/netty-all-4.1.68.Final.jar:libraries/it/unimi/dsi/fastutil/8.5.6/fastutil-8.5.6.jar:libraries/net/java/dev/jna/jna/5.10.0/jna-5.10.0.jar:libraries/net/java/dev/jna/jna-platform/5.10.0/jna-platform-5.10.0.jar:libraries/net/sf/jopt-simple/jopt-simple/5.0.4/jopt-simple-5.0.4.jar:libraries/org/apache/commons/commons-lang3/3.12.0/commons-lang3-3.12.0.jar:libraries/org/apache/logging/log4j/log4j-api/2.17.0/log4j-api-2.17.0.jar:libraries/org/apache/logging/log4j/log4j-core/2.17.0/log4j-core-2.17.0.jar:libraries/org/apache/logging/log4j/log4j-slf4j18-impl/2.17.0/log4j-slf4j18-impl-2.17.0.jar:libraries/org/slf4j/slf4j-api/1.8.0-beta4/slf4j-api-1.8.0-beta4.jar
cpw.mods.bootstraplauncher.BootstrapLauncher
--launchTarget forgeserver
--fml.forgeVersion 40.1.68
--fml.mcVersion 1.18.2
--fml.forgeGroup net.minecraftforge
--fml.mcpVersion 20220404.173914

i deleted it and now i get following crash log when i try to start the server:

Spoiler

---- Minecraft Crash Report ----
// I just don't know what went wrong :(

Time: 23.09.22, 12:47
Description: Mod loading error has occurred

java.lang.Exception: Mod Loading has failed
   at net.minecraftforge.logging.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:55) ~[forge-1.18.2-40.1.68-universal.jar%23215!/:?] {re:classloading}
   at net.minecraftforge.server.loading.ServerModLoader.load(ServerModLoader.java:39) ~[forge-1.18.2-40.1.68-universal.jar%23215!/:?] {re:classloading}
   at net.minecraft.server.Main.main(Main.java:112) ~[server-1.18.2-20220404.173914-srg.jar%23210!/:?] {re:classloading,re:mixin,pl:mixin:A}
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}
   at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
   at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {}
   at net.minecraftforge.fml.loading.targets.CommonServerLaunchHandler.lambda$launchService$0(CommonServerLaunchHandler.java:32) ~[fmlloader-1.18.2-40.1.68.jar%2317!/:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.3.jar%235!/:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.3.jar%235!/:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.3.jar%235!/:?] {}
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.3.jar%235!/:?] {}
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.3.jar%235!/:?] {}
   at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.3.jar%235!/:?] {}
   at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.3.jar%235!/:?] {}
   at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?] {}

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: main
Stacktrace:
   at java.lang.Thread.start0(Native Method) ~[?:?] {re:mixin}
-- MOD crafttweaker --
Details:
   Caused by 0: java.lang.reflect.InvocationTargetException
       at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] {}
       at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?] {}
       at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?] {}
       at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?] {}
       at java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[?:?] {}
       at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:67) ~[javafmllanguage-1.18.2-40.1.68.jar%23212!/:?] {}
       at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:106) ~[fmlcore-1.18.2-40.1.68.jar%23211!/:?] {re:mixin}
       at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {}
       at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] {}
       at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?] {}
       at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?] {}
       at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?] {re:computing_frames}
       at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?] {re:computing_frames}
       at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?] {}

   Mod File: /home/mc/Server/mods/CraftTweaker-forge-1.18.2-9.1.175.jar
   Failure message: CraftTweaker (crafttweaker) has failed to load correctly
       java.lang.reflect.InvocationTargetException: null
   Mod Version: 9.1.175
   Mod Issue URL: https://github.com/CraftTweaker/CraftTweaker/issues
   Exception message: java.lang.OutOfMemoryError: unable to create native thread: possibly out of memory or process/resource limits reached
Stacktrace:
   at java.lang.Thread.start0(Native Method) ~[?:?] {re:mixin}
   at java.lang.Thread.start(Thread.java:802) ~[?:?] {re:mixin}
   at com.blamejared.crafttweaker.CraftTweakerCommon.init(CraftTweakerCommon.java:65) ~[CraftTweaker-forge-1.18.2-9.1.175.jar%2383!/:9.1.175] {re:classloading}
   at com.blamejared.crafttweaker.CraftTweakerForge.<init>(CraftTweakerForge.java:15) ~[CraftTweaker-forge-1.18.2-9.1.175.jar%2383!/:9.1.175] {re:classloading}
   at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] {}
   at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?] {}
   at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?] {}
   at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?] {}
   at java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[?:?] {}
   at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:67) ~[javafmllanguage-1.18.2-40.1.68.jar%23212!/:?] {}
   at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:106) ~[fmlcore-1.18.2-40.1.68.jar%23211!/:?] {re:mixin}
   at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {}
   at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] {}
   at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?] {}
   at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?] {}
   at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?] {re:computing_frames}
   at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?] {re:computing_frames}
   at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?] {}

in this log i can see that there are already 2 flags for my RAM allocation, but somehow that crafttweaker mod wont load anymore...

what i also should mention: even when the server started, it randomly didnt load all the mods, sometimes one mod gets loaded, sometimes another one, but i cant really tell which ones...

i also have pretty often server lags, i feel them ingame and i see them in the server log (e.g. one servertick took 2195 seconds, is the server overloaded?)

i hope someone can help me, if you need further information please tell me and im willing to post them here!

thanks in advice!

Kiva

warjort · September 23, 2022

Your original error shows a server tick taking more than 60 seconds.

When it crashed (which minecraft does deliberately when this happens) it was doing some world gen structure generation.

The crash does not identify which structure or which mod is causing the problem.

Your second problem is likely because you allocated too much memory to the heap.

If the heap is using "all" the memory then there will no memory left over for stack space (which is the type of memory needed when a thread is created like crafttweaker is trying to do).

On your original problem, it looks like this mod pack already contains a version of the spark mod

Quote

spark-1.9.11-forge.jar |spark |spark |1.9.11 |COMMON_SET|Manifest: NOSIGNATURE

You can use that mod to collect information about what is taking a long time on the server thread. See its wiki and other documentation for how to use it.

https://www.curseforge.com/minecraft/mc-mods/spark

You should also contact the mod pack authors. They will have more knowledge on what might be causing your problem. e.g. which mods modify structure generation.

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Servercrash while booting the Server (bettermc@linux)

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