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Crashes on Server Start

TastyCake

By TastyCake
in Modder Support

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TastyCake Tree Puncher

TastyCake

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My mod works on the client but when I start the server it crashes with this error, 

[09:17:47] [Server thread/ERROR] [FML]: Exception caught during firing event net.minecraftforge.event.RegistryEvent$Register@2d987908:
java.lang.NoClassDefFoundError: net/minecraft/client/entity/EntityPlayerSP
	at com.warpedreality.lostpowers.init.ModTools.<clinit>(ModTools.java:55) ~[ModTools.class:?]
	at com.warpedreality.lostpowers.utils.handlers.RegistryHandler.onToolRegister(RegistryHandler.java:28) ~[RegistryHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_5_RegistryHandler_onToolRegister_Register.invoke(.dynamic) ~[?:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus$1.invoke(EventBus.java:143) ~[EventBus$1.class:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:179) [EventBus.class:?]
	at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:741) [GameData.class:?]
	at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:604) [Loader.class:?]
	at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:98) [FMLServerHandler.class:?]
	at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:332) [FMLCommonHandler.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.init(DedicatedServer.java:128) [DedicatedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:550) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_172]
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.entity.EntityPlayerSP
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_172]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_172]
	... 13 more
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@518cf84a from coremod FMLCorePlugin
	at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:262) ~[forgeSrc-1.12.2-14.23.2.2611.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_172]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_172]
	... 13 more
Caused by: java.lang.RuntimeException: Attempted to load class net/minecraft/client/entity/EntityPlayerSP for invalid side SERVER
	at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:62) ~[forgeSrc-1.12.2-14.23.2.2611.jar:?]
	at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:258) ~[forgeSrc-1.12.2-14.23.2.2611.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_172]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_172]
	... 13 more
[09:17:47] [Server thread/ERROR] [FML]: Index: 2 Listeners:
[09:17:47] [Server thread/ERROR] [FML]: 0: NORMAL
[09:17:47] [Server thread/ERROR] [FML]: 1: net.minecraftforge.fml.common.eventhandler.EventBus$1@7a046053
[09:17:47] [Server thread/ERROR] [FML]: 2: net.minecraftforge.fml.common.eventhandler.EventBus$1@250d52e4
[09:17:47] [Server thread/ERROR] [FML]: 3: net.minecraftforge.fml.common.eventhandler.EventBus$1@7e34dd87
[09:17:47] [Server thread/ERROR] [FML]: 4: net.minecraftforge.fml.common.eventhandler.EventBus$1@5b079ce4
[09:17:47] [Server thread/ERROR]: Encountered an unexpected exception
java.lang.NoClassDefFoundError: net/minecraft/client/entity/EntityPlayerSP
	at com.warpedreality.lostpowers.init.ModTools.<clinit>(ModTools.java:55) ~[ModTools.class:?]
	at com.warpedreality.lostpowers.utils.handlers.RegistryHandler.onToolRegister(RegistryHandler.java:28) ~[RegistryHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_5_RegistryHandler_onToolRegister_Register.invoke(.dynamic) ~[?:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus$1.invoke(EventBus.java:143) ~[EventBus$1.class:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:179) ~[EventBus.class:?]
	at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:741) ~[GameData.class:?]
	at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:604) ~[Loader.class:?]
	at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:98) ~[FMLServerHandler.class:?]
	at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:332) ~[FMLCommonHandler.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.init(DedicatedServer.java:128) ~[DedicatedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:550) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_172]
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.entity.EntityPlayerSP
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_172]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_172]
	... 13 more
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@518cf84a from coremod FMLCorePlugin
	at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:262) ~[forgeSrc-1.12.2-14.23.2.2611.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_172]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_172]
	... 13 more
Caused by: java.lang.RuntimeException: Attempted to load class net/minecraft/client/entity/EntityPlayerSP for invalid side SERVER
	at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:62) ~[forgeSrc-1.12.2-14.23.2.2611.jar:?]
	at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:258) ~[forgeSrc-1.12.2-14.23.2.2611.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_172]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_172]
	... 13 more

 

I have looked at the errors but cannot find the source of the problem

 

Here is my code  https://github.com/WarpReality/Lost-Powers

 

Thanks for any help!

My username elsewhere is Fluoride

V0idWa1k3r World Shaper

V0idWa1k3r

Posted
Posted

Why are you referencing the player in the constructor of your item? You understand that there is no possoible way player isn't null when your constructor is called, right?

https://github.com/WarpReality/Lost-Powers/blob/master/src/main/java/com/warpedreality/lostpowers/tools/ItemVoidMultitool.java#L17

Class minecraft is client-only. Generic solution - use proxies. Solution for you - stop using Minecraft there. It dosen't even do anything.

Also:
Problematic code, issues #10 and #14

TastyCake Tree Puncher

TastyCake

Posted
  • Author
Posted

I see what you mean. I'm not sure what I had it there for. I am removing it and am going to do some testing to see if I notice a difference.

My username elsewhere is Fluoride

DaemonUmbra Reality Controller

DaemonUmbra

Posted
Posted

Problematic Code #15 is also pertinent, and I haven't set up your repo to take a look at it in my IDE but your VoidMultitool doesn't seem to need the import for the client-side code.

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

  Reveal hidden contents

 

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