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Posted

I've been trying to runServer my mod, but everytime I try, this happens:

---- Minecraft Crash Report ----
// Shall we play a game?

Time: 6/20/22 9:52 AM
Description: Mod loading error has occurred

java.lang.Exception: Mod Loading has failed
	at net.minecraftforge.fml.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:85) ~[forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraftforge.fml.server.ServerModLoader.load(ServerModLoader.java:51) ~[forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.server.Main.main(Main.java:95) ~[forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-recomp.jar:?] {re:classloading}
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_261] {}
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_261] {}
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_261] {}
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_261] {}
	at net.minecraftforge.userdev.FMLUserdevServerLaunchProvider.lambda$launchService$0(FMLUserdevServerLaunchProvider.java:54) ~[forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-recomp.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.0.9.jar:?] {}
	at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:108) [forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-recomp.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:71) ~[forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-launcher.jar:36.2] {}
-- MOD goety --
Details:
	Mod File: main
	Failure message: Goety (goety) has failed to load correctly
		java.lang.RuntimeException: Attempted to load class net/minecraft/client/entity/player/ClientPlayerEntity for invalid dist DEDICATED_SERVER
	Mod Version: NONE
	Mod Issue URL: NOT PROVIDED
	Exception message: java.lang.RuntimeException: Attempted to load class net/minecraft/client/entity/player/ClientPlayerEntity for invalid dist DEDICATED_SERVER
Stacktrace:
	at net.minecraftforge.fml.loading.RuntimeDistCleaner.processClassWithFlags(RuntimeDistCleaner.java:71) ~[forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-launcher.jar:36.2] {}
	at cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:85) ~[modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120) ~[modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.TransformingClassLoader$DelegatedClassLoader.findClass(TransformingClassLoader.java:265) ~[modlauncher-8.0.9.jar:?] {}
	at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:136) ~[modlauncher-8.0.9.jar:?] {re:classloading}
	at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:98) ~[modlauncher-8.0.9.jar:?] {re:classloading}
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_261] {}
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_261] {}
	at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_261] {}
	at net.minecraftforge.fml.AutomaticEventSubscriber.lambda$inject$6(AutomaticEventSubscriber.java:75) ~[forge:?] {re:classloading}
	at java.util.ArrayList.forEach(ArrayList.java:1259) ~[?:1.8.0_261] {}
	at net.minecraftforge.fml.AutomaticEventSubscriber.inject(AutomaticEventSubscriber.java:62) ~[forge:?] {re:classloading}
	at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:91) ~[forge:36.2] {re:classloading}
	at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:120) ~[forge:?] {re:classloading}
	at java.util.concurrent.CompletableFuture$AsyncRun.run$$$capture(CompletableFuture.java:1640) ~[?:1.8.0_261] {}
	at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java) ~[?:1.8.0_261] {}
	at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1632) ~[?:1.8.0_261] {}
	at java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:289) ~[?:1.8.0_261] {}
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java) ~[?:1.8.0_261] {}
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_261] {}
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) ~[?:1.8.0_261] {}
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:172) ~[?:1.8.0_261] {}


-- System Details --
Details:
	Minecraft Version: 1.16.5
	Minecraft Version ID: 1.16.5
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_261, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1211719680 bytes (1155 MB) / 1751121920 bytes (1670 MB) up to 3799515136 bytes (3623 MB)
	CPUs: 8
	JVM Flags: 1 total; -XX:+IgnoreUnrecognizedVMOptions
	ModLauncher: 8.0.9+86+master.3cf110c
	ModLauncher launch target: fmluserdevserver
	ModLauncher naming: mcp
	ModLauncher services: 
		/mixin-0.8.4.jar mixin PLUGINSERVICE 
		/eventbus-4.0.0.jar eventbus PLUGINSERVICE 
		/forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-launcher.jar object_holder_definalize PLUGINSERVICE 
		/forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-launcher.jar runtime_enum_extender PLUGINSERVICE 
		/accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE 
		/forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-launcher.jar capability_inject_definalize PLUGINSERVICE 
		/forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-launcher.jar runtimedistcleaner PLUGINSERVICE 
		/mixin-0.8.4.jar mixin TRANSFORMATIONSERVICE 
		/forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1.16.5-launcher.jar fml TRANSFORMATIONSERVICE 
	FML: 36.2
	Forge: net.minecraftforge:36.2.20
	FML Language Providers: 
		javafml@36.2
		minecraft@1
	Mod List: 
		client-extra.jar                                  |Minecraft                     |minecraft                     |1.16.5              |CREATE_REG|Manifest: a1:d4:5e:04:4f:d3:d6:e0:7b:37:97:cf:77:b0:de:ad:4a:47:ce:8c:96:49:5f:0a:cf:8c:ae:b2:6d:4b:8a:3f
		forge-1.16.5-36.2.20_mapped_parchment_2021.10.17-1|Forge                         |forge                         |36.2.20             |CREATE_REG|Manifest: NOSIGNATURE
		curios-forge-1.16.5-4.0.5.3_mapped_parchment_2021.|Curios API                    |curios                        |1.16.5-4.0.5.3      |CREATE_REG|Manifest: NOSIGNATURE
		Patchouli-1.16.4-53.2_mapped_parchment_2021.10.17-|Patchouli                     |patchouli                     |1.16.4-53.2         |CREATE_REG|Manifest: NOSIGNATURE
		main                                              |Goety                         |goety                         |NONE                |ERROR     |Manifest: NOSIGNATURE
		jei-1.16.5-7.7.1.144_mapped_parchment_2021.10.17-1|Just Enough Items             |jei                           |7.7.1.144           |CREATE_REG|Manifest: NOSIGNATURE
	Crash Report UUID: 0b81f683-05b4-49b5-9d31-70e1165fbe06

I'm trying to figure out why it keeps trying to load ClientPlayerEntity for DEDICATED SERVER, and I can't seemed to find anything in both Crash Report and Debug on which part of my mod is causing this problem. Can someone explain what's happening.

  • Author

I figure out the problem!

To any one who's having problems with runServer here's some stuff I did/noticed:

Use @OnlyIn(Dist.CLIENT), you might seen some posts saying that it's useless or that it's just something for Mojang, but putting these on certain functions, like particles, helps prevent crashes.

If you have a Mob that implements IChargeableMob, always put 

@OnlyIn( value = Dist.CLIENT, _interface = IChargeableMob.class ) before it.

Don't register ItemModelsProperties directly on your custom Item class, put that in your Client Events where you register renderers and models.

Also, don't use Minecraft.getInstance().level for your networks/packets. Use Proxies.

Edited by dun

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