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Error when starting mod server


HallyFam

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The forge server runs fine by itself, but when I add my mod this error appears:

 

at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.14.4.jar:?]
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[minecraft_server.1.14.4.jar:?]
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[minecraft_server.1.14.4.jar:?]
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[minecraft_server.1.14.4.jar:?]
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[minecraft_server.1.14.4.jar:?]
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.14.4.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.14.4.jar:?]
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136) ~[LoadController.class:?]
at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:595) ~[Loader.class:?]
at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:98) ~[FMLServerHandler.class:?]
at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:333) ~[FMLCommonHandler.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:125) ~[nz.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) [MinecraftServer.class:?]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[?:1.8.0_252]
at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_252]
... 36 more
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@241a0c3a from coremod FMLCorePlugin
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:260) ~[forge-1.14.4-14.23.5.2854.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[?:1.8.0_252]
at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_252]
... 36 more
Caused by: java.lang.RuntimeException: Attempted to load class bib for invalid side SERVER
at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:62) ~[forge-1.14.4-14.23.5.2854.jar:?]
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:256) ~[forge-1.14.4-14.23.5.2854.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:418) ~[?:1.8.0_252]
at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_252]
... 36 more



What could I have done wrong?
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1 minute ago, poopoodice said:

Caused by: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft

My guess is you are using Minecraft in somewhere that's not on client

Wait you can’t Minecraft.getMinecraft() on the server???

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https://mcforge.readthedocs.io/en/latest/concepts/sides/#reaching-across-logical-sides

If you look into Minecraft.java, it has a annotation on it

@OnlyIn(Dist.CLIENT)

tells you this is only available on a specific side

https://mcforge.readthedocs.io/en/latest/concepts/sides/#fmlenvironmentdist-and-onlyin

Edited by poopoodice
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1 minute ago, poopoodice said:

https://mcforge.readthedocs.io/en/latest/concepts/sides/#reaching-across-logical-sides

If you look into Minecraft.java, it has a annotation on it


@OnlyIn(Dist.CLIENT)

tells you this is only available on a specific side

https://mcforge.readthedocs.io/en/latest/concepts/sides/#fmlenvironmentdist-and-onlyin

Is that better than using @SideOnly(Side.CLIENT)?

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14 hours ago, poopoodice said:

There is little to no reason for using this annotation directly

Or in the words of LexManos, 

 

On 5/31/2020 at 11:39 PM, LexManos said:

No, You should NEVER be using these annotations.

Not even for your rendering code.

Not even if the overridden method has it.

NEVER.

If you run into sided issues, bypass it using proper side checks.

If you never call the client side code, on the dedicated server, it doesn't matter if the classes are in your jar.

 

If some other mod/code reflectively access your class in the one specific case where you have a method with a sided class in your signature. Then there can be issues. However those issues are on the side of whomever is reflecting into you unnecessarily.

 

 

It's sad how much time mods spend saying "x is no longer supported on this forum. Please update to a modern version of Minecraft to receive support".

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