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Modding help: SP works, MP doesn't

querpressverband

By querpressverband
in Modder Support

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querpressverband Tree Puncher

querpressverband

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Posted

Hi forum,

 

I'm getting started with Forge modding and want to start something minimap-like to check out the capabilities of Forge. I've already set up a basic skeleton that calls a hook when a Chunk is loaded (which looks very good so far to me!). That's pretty much what I wanted.

 

But it only works when I do singleplayer. As soon as I try to connect to a MP server, it instantly crashes the game:

 

[23:26:49] [Client thread/INFO] [FML]: Holder lookups applied

Starting up SoundSystem...
Initializing LWJGL OpenAL
    (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
OpenAL initialized.

[23:26:50] [sound Library Loader/INFO]: Sound engine started
[23:26:50] [Client thread/INFO]: Created: 512x256 textures/blocks-atlas
[23:26:50] [Client thread/INFO]: Created: 256x256 textures/items-atlas
[23:26:50] [Client thread/INFO] [FML]: Forge Mod Loader has successfully loaded 4 mods
[23:26:50] [Client thread/INFO]: Reloading ResourceManager: Default, FMLFileResourcePack:Forge Mod Loader, FMLFileResourcePack:Minecraft Forge, FMLFileResourcePack:ExampleMapper
[23:26:50] [Client thread/INFO]: Created: 256x256 textures/items-atlas
[23:26:51] [Client thread/INFO]: Created: 512x256 textures/blocks-atlas

SoundSystem shutting down...
    Author: Paul Lamb, www.paulscode.com


Starting up SoundSystem...
Initializing LWJGL OpenAL
    (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
OpenAL initialized.

[23:26:51] [sound Library Loader/INFO]: Sound engine started
[23:26:54] [Client thread/INFO]: Connecting to spornkuller.de, 25565
[23:26:55] [Client thread/FATAL]: Reported exception thrown!
net.minecraft.util.ReportedException: Ticking screen
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1765) ~[Minecraft.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1038) ~[Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:961) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:164) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_65]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_65]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_65]
at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_65]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134) [launchwrapper-1.9.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_65]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_65]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_65]
at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_65]
at GradleStart.bounce(GradleStart.java:107) [start/:?]
at GradleStart.startClient(GradleStart.java:100) [start/:?]
at GradleStart.main(GradleStart.java:55) [start/:?]
Caused by: java.lang.NullPointerException
at com.mojang.util.UUIDTypeAdapter.fromUUID(UUIDTypeAdapter.java:22) ~[uUIDTypeAdapter.class:?]
at com.mojang.util.UUIDTypeAdapter.write(UUIDTypeAdapter.java:13) ~[uUIDTypeAdapter.class:?]
at com.mojang.util.UUIDTypeAdapter.write(UUIDTypeAdapter.java:10) ~[uUIDTypeAdapter.class:?]
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68) ~[TypeAdapterRuntimeTypeWrapper.class:?]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:89) ~[ReflectiveTypeAdapterFactory$1.class:?]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:195) ~[ReflectiveTypeAdapterFactory$Adapter.class:?]
at com.google.gson.Gson.toJson(Gson.java:593) ~[Gson.class:?]
at com.google.gson.Gson.toJson(Gson.java:572) ~[Gson.class:?]
at com.google.gson.Gson.toJson(Gson.java:527) ~[Gson.class:?]
at com.google.gson.Gson.toJson(Gson.java:507) ~[Gson.class:?]
at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:54) ~[YggdrasilAuthenticationService.class:?]
at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.joinServer(YggdrasilMinecraftSessionService.java:76) ~[YggdrasilMinecraftSessionService.class:?]
at net.minecraft.client.network.NetHandlerLoginClient.handleEncryptionRequest(NetHandlerLoginClient.java:62) ~[NetHandlerLoginClient.class:?]
at net.minecraft.network.login.server.S01PacketEncryptionRequest.processPacket(S01PacketEncryptionRequest.java:54) ~[s01PacketEncryptionRequest.class:?]
at net.minecraft.network.login.server.S01PacketEncryptionRequest.processPacket(S01PacketEncryptionRequest.java:62) ~[s01PacketEncryptionRequest.class:?]
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:247) ~[NetworkManager.class:?]
at net.minecraft.client.multiplayer.GuiConnecting.updateScreen(GuiConnecting.java:116) ~[GuiConnecting.class:?]
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1751) ~[Minecraft.class:?]
... 16 more
---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 31.08.14 23:26
Description: Ticking screen

java.lang.NullPointerException: Ticking screen
at com.mojang.util.UUIDTypeAdapter.fromUUID(UUIDTypeAdapter.java:22)
at com.mojang.util.UUIDTypeAdapter.write(UUIDTypeAdapter.java:13)
at com.mojang.util.UUIDTypeAdapter.write(UUIDTypeAdapter.java:10)
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:89)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:195)
at com.google.gson.Gson.toJson(Gson.java:593)
at com.google.gson.Gson.toJson(Gson.java:572)
at com.google.gson.Gson.toJson(Gson.java:527)
at com.google.gson.Gson.toJson(Gson.java:507)
at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:54)
at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.joinServer(YggdrasilMinecraftSessionService.java:76)
at net.minecraft.client.network.NetHandlerLoginClient.handleEncryptionRequest(NetHandlerLoginClient.java:62)
at net.minecraft.network.login.server.S01PacketEncryptionRequest.processPacket(S01PacketEncryptionRequest.java:54)
at net.minecraft.network.login.server.S01PacketEncryptionRequest.processPacket(S01PacketEncryptionRequest.java:62)
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:247)
at net.minecraft.client.multiplayer.GuiConnecting.updateScreen(GuiConnecting.java:116)
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1751)
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1038)
at net.minecraft.client.Minecraft.run(Minecraft.java:961)
at net.minecraft.client.main.Main.main(Main.java:164)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at GradleStart.bounce(GradleStart.java:107)
at GradleStart.startClient(GradleStart.java:100)
at GradleStart.main(GradleStart.java:55)


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

-- Head --
Stacktrace:
at com.mojang.util.UUIDTypeAdapter.fromUUID(UUIDTypeAdapter.java:22)
at com.mojang.util.UUIDTypeAdapter.write(UUIDTypeAdapter.java:13)
at com.mojang.util.UUIDTypeAdapter.write(UUIDTypeAdapter.java:10)
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:89)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:195)
at com.google.gson.Gson.toJson(Gson.java:593)
at com.google.gson.Gson.toJson(Gson.java:572)
at com.google.gson.Gson.toJson(Gson.java:527)
at com.google.gson.Gson.toJson(Gson.java:507)
at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:54)
at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.joinServer(YggdrasilMinecraftSessionService.java:76)
at net.minecraft.client.network.NetHandlerLoginClient.handleEncryptionRequest(NetHandlerLoginClient.java:62)
at net.minecraft.network.login.server.S01PacketEncryptionRequest.processPacket(S01PacketEncryptionRequest.java:54)
at net.minecraft.network.login.server.S01PacketEncryptionRequest.processPacket(S01PacketEncryptionRequest.java:62)
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:247)
at net.minecraft.client.multiplayer.GuiConnecting.updateScreen(GuiConnecting.java:116)

-- Affected screen --
Details:
Screen name: net.minecraft.client.multiplayer.GuiConnecting
Stacktrace:
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1751)
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1038)
at net.minecraft.client.Minecraft.run(Minecraft.java:961)
at net.minecraft.client.main.Main.main(Main.java:164)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at GradleStart.bounce(GradleStart.java:107)
at GradleStart.startClient(GradleStart.java:100)
at GradleStart.main(GradleStart.java:55)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Linux (amd64) version 3.13.0-24-generic
Java Version: 1.7.0_65, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 973478120 bytes (928 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)
JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.18.1180 Minecraft Forge 10.13.0.1180 4 mods loaded, 4 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FML{7.10.18.1180} [Forge Mod Loader] (forgeSrc-1.7.10-10.13.0.1180.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forge{10.13.0.1180} [Minecraft Forge] (forgeSrc-1.7.10-10.13.0.1180.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ExampleMapper{0.01} [ExampleMapper] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Launched Version: 1.7.10
LWJGL: 2.9.1
OpenGL: GeForce GTX 660/PCIe/SSE2 GL version 4.4.0 NVIDIA 331.38, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)
#@!@# Game crashed! Crash report saved to: #@!@# /home/henrik/mcforge/forge/eclipse/./crash-reports/crash-2014-08-31_23.26.55-client.txt
AL lib: (EE) alc_cleanup: 1 device not closed

 

Here's the basic mod code

 

package com.examplemapper;

import net.minecraft.world.chunk.Chunk;
import net.minecraftforge.common.MinecraftForge;
import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.Mod.EventHandler;
import cpw.mods.fml.common.Mod.Instance;
import cpw.mods.fml.common.SidedProxy;
import cpw.mods.fml.common.event.FMLInitializationEvent;
import cpw.mods.fml.common.event.FMLPostInitializationEvent;
import cpw.mods.fml.common.event.FMLPreInitializationEvent;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;

@Mod(modid = ExampleMapperMod.MODID, version = ExampleMapperMod.VERSION)
public class ExampleMapperMod {
public static final String MODID = "ExampleMapper";
public static final String VERSION = "0.01";

@Instance(ExampleMapperMod.MODID)
public static ExampleMapperMod instance;

@SidedProxy(clientSide = "com.examplemapper.ClientProxy", serverSide = "com.examplemapper.CommonProxy")
public static CommonProxy proxy;

@EventHandler
public void preInit(FMLPreInitializationEvent event) {
	proxy.preInit(event.getSuggestedConfigurationFile());
}

@EventHandler
public void load(FMLInitializationEvent event) {
	proxy.load();
}

@EventHandler
public void postInit(FMLPostInitializationEvent event) {
	proxy.postInit();
}
}

 

where the CommonProxy code is completely empty and the ClientProxy code just registeres my event handling class to the MinecraftForge.EVENT_BUS.

 

A side note: I cannot seem to find the JAR that is built for my mod. If I want to make a release, where would I find it?

 

Thanks for your help,

Henrik

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