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Crash when connecting to Server

Posted May 13, 20187 yr

I'm trying to connect to a forge server and the client crashes with some netty error:

[Netty Epoll Client IO #0/ERROR] [FML]: NetworkDispatcher exception
java.lang.ClassCastException: net.minecraftforge.fml.common.network.handshake.FMLHandshakeMessage$HandshakeAck cannot be cast to net.minecraftforge.fml.common.network.handshake.FMLHandshakeMessage$RegistryData
	at net.minecraftforge.fml.common.network.handshake.FMLHandshakeClientState$4.accept(FMLHandshakeClientState.java:134) ~[FMLHandshakeClientState$4.class:?]
	at net.minecraftforge.fml.common.network.handshake.HandshakeMessageHandler.channelRead0(HandshakeMessageHandler.java:46) ~[HandshakeMessageHandler.class:?]
	at net.minecraftforge.fml.common.network.handshake.HandshakeMessageHandler.channelRead0(HandshakeMessageHandler.java:28) ~[HandshakeMessageHandler.class:?]
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:54) ~[ChannelRegistrationHandler.class:?]
	at net.minecraftforge.fml.common.network.handshake.ChannelRegistrationHandler.channelRead0(ChannelRegistrationHandler.java:36) ~[ChannelRegistrationHandler.class:?]
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleClientSideCustomPacket(NetworkDispatcher.java:364) ~[NetworkDispatcher.class:?]
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:269) ~[NetworkDispatcher.class:?]
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:72) ~[NetworkDispatcher.class:?]
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) ~[netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:396) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:1017) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:394) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:299) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-all-4.1.9.Final.jar:4.1.9.Final]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]

Full log is there: https://paste.ubuntu.com/p/T9pHWG4FrY/

(couldn't use pastebin because of its size)

I'm running forge-1.12.2-14.23.3.2688 installed via the installer. My java version is OpenJDK Runtime Environment (build 1.8.0_151-8u151-b12-0ubuntu0.17.04.2-b12)

I would be able to identify the culprit if it would state which mod might be related to that but it doesn't and as for the "internals" I have no idea whare to start. Google wasn't really helpful here too.

Please help me to identify the issue so I can fix it.

regards,

dura-zell

Edited May 13, 20187 yr by dura-zell
edit for typo

Quote

May 13, 20187 yr

The actual error is here:

[15:11:41] [main/INFO] [net.minecraft.client.multiplayer.GuiConnecting]: Connecting to games02.myserver.lan, 30003
[15:11:42] [Netty Epoll Client IO #0/INFO] [FML]: Server protocol version 2
[15:11:42] [Netty Epoll Client IO #0/INFO] [FML]: Attempting connection with missing mods [antiqueatlasoverlay, ctgui, ctm] at SERVER
[15:11:42] [main/INFO] [FML]: Injecting existing registry data into this client instance
[15:11:42] [main/INFO] [FML]: Registry Block: Found a missing id from the world energyconverters:energy_consumer_rf
[15:11:42] [main/INFO] [FML]: Registry Block: Found a missing id from the world immersiverailroading:block_rail_preview
[15:11:42] [main/INFO] [FML]: Registry Block: Found a missing id from the world energyconverters:energy_consumer_fe
[15:11:42] [main/INFO] [FML]: Registry Block: Found a missing id from the world energyconverters:energy_consumer_eu
[15:11:42] [main/INFO] [FML]: Registry Block: Found a missing id from the world immersiverailroading:block_rail_gag
[15:11:42] [main/INFO] [FML]: Registry Block: Found a missing id from the world energyconverters:energy_producer_rf
[15:11:42] [main/INFO] [FML]: Registry Block: Found a missing id from the world energyconverters:energy_producer_fe
[15:11:42] [main/INFO] [FML]: Registry Block: Found a missing id from the world energyconverters:energy_producer_eu
[15:11:42] [main/INFO] [FML]: Registry Block: Found a missing id from the world immersiverailroading:multiblock
[15:11:42] [main/INFO] [FML]: Registry Block: Found a missing id from the world immersiverailroading:block_rail
[15:11:42] [main/INFO] [FML]: Registry Block: Found a missing id from the world energyconverters:energy_bridge
[15:11:42] [main/INFO] [FML]: Registry IRecipe: Found a missing id from the world crafttweaker:ct_shaped-1294619013
[15:11:42] [main/INFO] [FML]: Registry IRecipe: Found a missing id from the world crafttweaker:ct_shaped2080118859
[15:11:42] [main/INFO] [FML]: Registry IRecipe: Found a missing id from the world crafttweaker:ct_shaped-1833316310
[15:11:42] [main/INFO] [FML]: Registry IRecipe: Found a missing id from the world crafttweaker:ct_shaped-1931737269
[15:11:42] [main/ERROR] [FML]: Unidentified mapping from registry minecraft:recipes
[15:11:42] [main/ERROR] [FML]:     crafttweaker:ct_shaped-1931737269: 6578
[15:11:42] [main/ERROR] [FML]:     crafttweaker:ct_shaped-1833316310: 6579
[15:11:42] [main/ERROR] [FML]:     crafttweaker:ct_shaped2080118859: 6577
[15:11:42] [main/ERROR] [FML]:     crafttweaker:ct_shaped-1294619013: 6576
[15:11:45] [main/FATAL] [net.minecraft.client.Minecraft]: Error executing task
java.util.concurrent.ExecutionException: net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Minecraft Forge (forge)
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_151]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_151]
	at net.minecraft.util.Util.func_181617_a(SourceFile:47) [h.class:?]
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1086) [bib.class:?]
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:397) [bib.class:?]
	at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_151]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_151]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_151]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_151]
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
Caused by: net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Minecraft Forge (forge)

Caused by: java.lang.NullPointerException
	at net.minecraft.client.util.SearchTree.func_194039_a(SourceFile:48) ~[cgw.class:?]
	at java.util.ArrayList.forEach(ArrayList.java:1255) ~[?:1.8.0_151]
	at net.minecraft.client.util.SearchTree.func_194042_b(SourceFile:48) ~[cgw.class:?]
	at net.minecraft.client.util.SearchTree.func_194043_a(SourceFile:44) ~[cgw.class:?]
	at java.util.ArrayList.forEach(ArrayList.java:1255) ~[?:1.8.0_151]
	at net.minecraft.client.Minecraft.func_193986_ar(Minecraft.java:603) ~[bib.class:?]
	at net.minecraftforge.fml.client.FMLClientHandler.reloadSearchTrees(FMLClientHandler.java:1079) ~[forge-1.12.2-14.23.3.2688.jar:?]
	at net.minecraftforge.fml.common.FMLCommonHandler.reloadSearchTrees(FMLCommonHandler.java:772) ~[forge-1.12.2-14.23.3.2688.jar:?]
	at net.minecraftforge.common.ForgeModContainer.mappingChanged(ForgeModContainer.java:561) ~[forge-1.12.2-14.23.3.2688.jar:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_151]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_151]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_151]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_151]
	at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[guava-21.0.jar:?]
	at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[guava-21.0.jar:?]
	at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[guava-21.0.jar:?]
	at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[guava-21.0.jar:?]
	at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[guava-21.0.jar:?]
	at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[guava-21.0.jar:?]
	at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[guava-21.0.jar:?]
	at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218) ~[LoadController.class:?]
	at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196) ~[LoadController.class:?]
	at net.minecraftforge.fml.common.Loader.fireRemapEvent(Loader.java:924) ~[Loader.class:?]
	at net.minecraftforge.registries.GameData.injectSnapshot(GameData.java:670) ~[GameData.class:?]
	at net.minecraftforge.fml.common.network.handshake.FMLHandshakeClientState$4.lambda$accept$1(FMLHandshakeClientState.java:161) ~[FMLHandshakeClientState$4.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_151]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_151]
	at net.minecraft.util.Util.func_181617_a(SourceFile:46) ~[h.class:?]
	... 9 more

You seem to have some mismatched registry entries between client/server.

Check to make sure your modlist matches the server's, apart from any client-side-only mods.

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