Mod loading error on Server

[MAKAPKA]

Hello! Started a server with mods, adding my own mod.
Crash Report gave the following error:

Description: Mod loading error has occurred

java.lang.Exception: Mod Loading has failed
	at net.minecraftforge.logging.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:55) ~[forge-1.18.2-40.2.10-universal.jar%23147!/:?] {re:classloading}
	at net.minecraftforge.server.loading.ServerModLoader.load(ServerModLoader.java:39) ~[forge-1.18.2-40.2.10-universal.jar%23147!/:?] {re:classloading}
	at net.minecraft.server.Main.main(Main.java:112) ~[server-1.18.2-20220404.173914-srg.jar%23142!/:?] {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-1.18.2-40.2.10.jar%2318!/:?] {}
	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 net.minecraftforge.fml.loading.RuntimeDistCleaner.processClassWithFlags(RuntimeDistCleaner.java:57) ~[fmlloader-1.18.2-40.2.10.jar%2318!/:1.0] {}
-- MOD flwearings --
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-1.18.2-40.2.10.jar%23144!/:?] {}
		at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:106) ~[fmlcore-1.18.2-40.2.10.jar%23143!/:?] {}
		at java.util.concurrent.CompletableFuture$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/opc/MARZ_server/mods/flwearings-0.0.1-1.18.2.jar
	Failure message: Fertile Lands Wearings (flwearings) has failed to load correctly
		java.lang.reflect.InvocationTargetException: null
	Mod Version: 0.0.1-1.18.2
	Mod Issue URL: NOT PROVIDED
	Exception message: java.lang.RuntimeException: Attempted to load class net/minecraft/client/player/AbstractClientPlayer for invalid dist DEDICATED_SERVER
Stacktrace:
	at net.minecraftforge.fml.loading.RuntimeDistCleaner.processClassWithFlags(RuntimeDistCleaner.java:57) ~[fmlloader-1.18.2-40.2.10.jar%2318!/:1.0] {}
	at cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:88) ~[modlauncher-9.1.3.jar%235!/:?] {}
	at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120) ~[modlauncher-9.1.3.jar%235!/:?] {}
	at cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:50) ~[modlauncher-9.1.3.jar%235!/:?] {}
	at cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:113) ~[securejarhandler-1.0.8.jar:?] {}
	at cpw.mods.cl.ModuleClassLoader.lambda$findClass$15(ModuleClassLoader.java:219) ~[securejarhandler-1.0.8.jar:?] {}
	at cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:229) ~[securejarhandler-1.0.8.jar:?] {}
	at cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:219) ~[securejarhandler-1.0.8.jar:?] {}
	at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:135) ~[securejarhandler-1.0.8.jar:?] {}
	at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {}
	at net.makapka.flwearings.FLWearingsMod.<init>(FLWearingsMod.java:43) ~[flwearings-0.0.1-1.18.2.jar%2396!/:0.0.1-1.18.2] {re:classloading}
	at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] {}
	at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?] {}
	at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?] {}
	at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?] {}
	at java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[?:?] {}
	at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:67) ~[javafmllanguage-1.18.2-40.2.10.jar%23144!/:?] {}
	at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:106) ~[fmlcore-1.18.2-40.2.10.jar%23143!/:?] {}
	at java.util.concurrent.CompletableFuture$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) ~[?:?] {}

 

[warjort]

Quote

Mod File: /home/opc/MARZ_server/mods/flwearings-0.0.1-1.18.2.jar Failure message: Fertile Lands Wearings (flwearings) has failed to load correctly java.lang.reflect.InvocationTargetException: null Mod Version: 0.0.1-1.18.2 Mod Issue URL: NOT PROVIDED Exception message: java.lang.RuntimeException: Attempted to load class net/minecraft/client/player/AbstractClientPlayer for invalid dist DEDICATED_SERVER

at net.makapka.flwearings.FLWearingsMod.<init>(FLWearingsMod.java:43) ~[flwearings-0.0.1-1.18.2.jar%2396!/:0.0.1-1.18.2] {re:classloading}

Check you have the latest version the contact the mod author.

[MAKAPKA]

On 8/16/2023 at 8:56 AM, warjort said:

Check you have the latest version the contact the mod author.

I'm the author of this mod myself. The problem was that the mod was trying to load client classes onto the server. I solved it. Thank you very much