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[1.12.2] Networking issues.


Merthew

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I am trying to send a packet to the server from a tileentity. I have gotten it working before but now I seem to have missed something.

 

Console Log:

Spoiler

[17:36:35] [main/INFO] [GradleStart]: Extra: []
[17:36:35] [main/INFO] [GradleStart]: Running with arguments: [--userProperties, {}, --assetsDir, C:/Users/timjp/.gradle/caches/minecraft/assets, --assetIndex, 1.12, --accessToken{REDACTED}, --version, 1.12.2, --tweakClass, net.minecraftforge.fml.common.launcher.FMLTweaker, --tweakClass, net.minecraftforge.gradle.tweakers.CoremodTweaker]
[17:36:35] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[17:36:35] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[17:36:35] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.gradle.tweakers.CoremodTweaker
[17:36:35] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[17:36:35] [main/INFO] [FML]: Forge Mod Loader version 14.23.5.2806 for Minecraft 1.12.2 loading
[17:36:35] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_191, running on Windows 10:amd64:10.0, installed at D:\Program Files\Java\jdk1.8.0_191\jre
[17:36:35] [main/ERROR] [FML]: Apache Maven library folder was not in the format expected. Using default libraries directory.
[17:36:35] [main/ERROR] [FML]: Full: C:\Users\timjp\.gradle\caches\modules-2\files-2.1\org.apache.maven\maven-artifact\3.5.3\7dc72b6d6d8a6dced3d294ed54c2cc3515ade9f4\maven-artifact-3.5.3.jar
[17:36:35] [main/ERROR] [FML]: Trimmed: c:/users/timjp/.gradle/caches/modules-2/files-2.1/org.apache.maven/maven-artifact/3.5.3/
[17:36:35] [main/INFO] [FML]: Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation
[17:36:35] [main/INFO] [FML]: Detected deobfuscated environment, loading log configs for colored console logs.
2019-01-08 17:36:36,436 main WARN Disabling terminal, you're running in an unsupported environment.
[17:36:36] [main/INFO] [FML]: Ignoring missing certificate for coremod FMLCorePlugin (net.minecraftforge.fml.relauncher.FMLCorePlugin), we are in deobf and it's a forge core plugin
[17:36:36] [main/INFO] [FML]: Ignoring missing certificate for coremod FMLForgePlugin (net.minecraftforge.classloading.FMLForgePlugin), we are in deobf and it's a forge core plugin
[17:36:36] [main/INFO] [FML]: Searching D:\Documents\Merthew Mod\run\.\mods for mods
[17:36:36] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.gradle.tweakers.CoremodTweaker
[17:36:36] [main/INFO] [GradleStart]: Injecting location in coremod net.minecraftforge.fml.relauncher.FMLCorePlugin
[17:36:36] [main/INFO] [GradleStart]: Injecting location in coremod net.minecraftforge.classloading.FMLForgePlugin
[17:36:36] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[17:36:36] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[17:36:36] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.gradle.tweakers.AccessTransformerTweaker
[17:36:36] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[17:36:36] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[17:36:36] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[17:36:37] [main/ERROR] [FML]: FML appears to be missing any signature data. This is not a good thing
[17:36:37] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[17:36:37] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[17:36:38] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.gradle.tweakers.AccessTransformerTweaker
[17:36:38] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.TerminalTweaker
[17:36:38] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.TerminalTweaker
[17:36:38] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.client.main.Main}
[17:36:38] [Client thread/INFO] [minecraft/Minecraft]: Setting user: Player206
[17:36:41] [Client thread/WARN] [minecraft/GameSettings]: Skipping bad option: lastServer:
[17:36:41] [Client thread/INFO] [minecraft/Minecraft]: LWJGL Version: 2.9.4
[17:36:42] [Client thread/INFO] [FML]: -- System Details --
Details:
    Minecraft Version: 1.12.2
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_191, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 855062224 bytes (815 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
    JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: 
    Loaded coremods (and transformers): 
    GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 417.35' Renderer: 'GeForce GTX 970M/PCIe/SSE2'
[17:36:42] [Client thread/INFO] [FML]: MinecraftForge v14.23.5.2806 Initialized
[17:36:42] [Client thread/INFO] [FML]: Starts to replace vanilla recipe ingredients with ore ingredients.
[17:36:42] [Client thread/INFO] [FML]: Replaced 1036 ore ingredients
[17:36:42] [Client thread/INFO] [FML]: Searching D:\Documents\Merthew Mod\run\.\mods for mods
[17:36:43] [Client thread/INFO] [FML]: Forge Mod Loader has identified 5 mods to load
[17:36:44] [Client thread/INFO] [FML]: Attempting connection with missing mods [minecraft, mcp, FML, forge, mm] at CLIENT
[17:36:44] [Client thread/INFO] [FML]: Attempting connection with missing mods [minecraft, mcp, FML, forge, mm] at SERVER
[17:36:44] [Client thread/INFO] [minecraft/SimpleReloadableResourceManager]: Reloading ResourceManager: Default, FMLFileResourcePack:Forge Mod Loader, FMLFileResourcePack:Minecraft Forge, FMLFileResourcePack:Merthew's Mod
[17:36:44] [Thread-3/INFO] [FML]: Using sync timing. 200 frames of Display.update took 225619800 nanos
[17:36:44] [Client thread/INFO] [FML]: Processing ObjectHolder annotations
[17:36:44] [Client thread/INFO] [FML]: Found 1168 ObjectHolder annotations
[17:36:44] [Client thread/INFO] [FML]: Identifying ItemStackHolder annotations
[17:36:44] [Client thread/INFO] [FML]: Found 0 ItemStackHolder annotations
[17:36:44] [Client thread/INFO] [FML]: Configured a dormant chunk cache size of 0
[17:36:44] [Forge Version Check/INFO] [forge.VersionCheck]: [forge] Starting version check at http://files.minecraftforge.net/maven/net/minecraftforge/forge/promotions_slim.json
[17:36:44] [Client thread/INFO] [FML]: OBJLoader: Domain mm has been added.
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:40]: Registered Block: tile.unnatural_torch
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:40]: Registered Block: tile.light_ring
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:40]: Registered Block: tile.holy_cross
[17:36:44] [Client thread/INFO] [FML]: Applying holder lookups
[17:36:44] [Client thread/INFO] [FML]: Holder lookups applied
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:29]: Registered Item: tile.unnatural_torch
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:29]: Registered Item: tile.light_ring
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:29]: Registered Item: tile.holy_cross
[17:36:44] [Client thread/INFO] [FML]: Applying holder lookups
[17:36:44] [Client thread/INFO] [FML]: Holder lookups applied
[17:36:44] [Client thread/INFO] [FML]: Applying holder lookups
[17:36:44] [Client thread/INFO] [FML]: Holder lookups applied
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:53]: Registered Model: tile.unnatural_torch
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:53]: Registered Model: tile.light_ring
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:53]: Registered Model: tile.holy_cross
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:37]: Registered Model: tile.unnatural_torch
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:37]: Registered Model: tile.light_ring
[17:36:44] [Client thread/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:37]: Registered Model: tile.holy_cross
[17:36:44] [Client thread/INFO] [FML]: Applying holder lookups
[17:36:44] [Client thread/INFO] [FML]: Holder lookups applied
[17:36:44] [Client thread/INFO] [FML]: Injecting itemstacks
[17:36:44] [Client thread/INFO] [FML]: Itemstack injection complete
[17:36:44] [Forge Version Check/INFO] [forge.VersionCheck]: [forge] Found status: AHEAD Target: null
[17:36:47] [Sound Library Loader/INFO] [minecraft/SoundManager]: Starting up SoundSystem...
[17:36:48] [Thread-5/INFO] [minecraft/SoundManager]: Initializing LWJGL OpenAL
[17:36:48] [Thread-5/INFO] [minecraft/SoundManager]: (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
[17:36:48] [Thread-5/INFO] [minecraft/SoundManager]: OpenAL initialized.
[17:36:48] [Sound Library Loader/INFO] [minecraft/SoundManager]: Sound engine started
[17:36:53] [Client thread/INFO] [FML]: Max texture size: 16384
[17:36:54] [Client thread/INFO] [minecraft/TextureMap]: Created: 512x512 textures-atlas
[17:36:55] [Client thread/INFO] [FML]: Applying holder lookups
[17:36:55] [Client thread/INFO] [FML]: Holder lookups applied
[17:36:55] [Client thread/INFO] [FML]: Injecting itemstacks
[17:36:55] [Client thread/INFO] [FML]: Itemstack injection complete
[17:36:55] [Client thread/INFO] [FML]: Forge Mod Loader has successfully loaded 5 mods
[17:36:55] [Client thread/WARN] [minecraft/GameSettings]: Skipping bad option: lastServer:
[17:36:56] [Client thread/INFO] [mojang/NarratorWindows]: Narrator library for x64 successfully loaded
[17:36:57] [Realms Notification Availability checker #1/INFO] [mojang/RealmsClient]: Could not authorize you against Realms server: Invalid session id
[17:36:59] [Server thread/INFO] [minecraft/IntegratedServer]: Starting integrated minecraft server version 1.12.2
[17:36:59] [Server thread/INFO] [minecraft/IntegratedServer]: Generating keypair
[17:36:59] [Server thread/INFO] [FML]: Injecting existing registry data into this server instance
[17:36:59] [Server thread/INFO] [FML]: Registry Block: Found a missing id from the world mm:test_block
[17:36:59] [Server thread/INFO] [FML]: Applying holder lookups
[17:36:59] [Server thread/INFO] [FML]: Holder lookups applied
[17:37:00] [Server thread/INFO] [FML]: Loading dimension 0 (World Test) (net.minecraft.server.integrated.IntegratedServer@4fb8c1a2)
[17:37:00] [Server thread/INFO] [minecraft/AdvancementList]: Loaded 488 advancements
[17:37:00] [Server thread/INFO] [FML]: Loading dimension -1 (World Test) (net.minecraft.server.integrated.IntegratedServer@4fb8c1a2)
[17:37:00] [Server thread/INFO] [FML]: Loading dimension 1 (World Test) (net.minecraft.server.integrated.IntegratedServer@4fb8c1a2)
[17:37:00] [Server thread/INFO] [minecraft/MinecraftServer]: Preparing start region for level 0
[17:37:01] [Server thread/INFO] [FML]: Unloading dimension -1
[17:37:01] [Server thread/INFO] [FML]: Unloading dimension 1
[17:37:01] [Server thread/INFO] [minecraft/IntegratedServer]: Changing view distance to 16, from 10
[17:37:03] [Netty Local Client IO #0/INFO] [FML]: Server protocol version 2
[17:37:03] [Netty Server IO #1/INFO] [FML]: Client protocol version 2
[17:37:03] [Netty Server IO #1/INFO] [FML]: Client attempting to join with 5 mods : minecraft@1.12.2,mm@0.1,FML@8.0.99.99,forge@14.23.5.2806,mcp@9.42
[17:37:03] [Netty Local Client IO #0/INFO] [FML]: [Netty Local Client IO #0] Client side modded connection established
[17:37:03] [Server thread/INFO] [FML]: [Server thread] Server side modded connection established
[17:37:03] [Server thread/INFO] [minecraft/PlayerList]: Player206[local:E:bc8656f4] logged in with entity id 133 at (-1397.5670636670282, 54.9988414607825, -281.64483782504243)
[17:37:03] [Server thread/INFO] [minecraft/MinecraftServer]: Player206 joined the game
[17:37:04] [Server thread/INFO] [minecraft/IntegratedServer]: Saving and pausing game...
[17:37:04] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'World Test'/overworld
[17:37:04] [Client thread/INFO] [minecraft/AdvancementList]: Loaded 2 advancements
[17:37:04] [Client thread/WARN] [minecraft/NetHandlerPlayClient]: Received passengers for unknown entity
[17:37:07] [Netty Server IO #1/ERROR] [FML]: FMLIndexedMessageCodec exception caught
io.netty.handler.codec.DecoderException: java.lang.NullPointerException
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:98) ~[MessageToMessageDecoder.class:4.1.9.Final]
    at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[MessageToMessageCodec.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [DefaultChannelPipeline$HeadContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [DefaultChannelPipeline.class:4.1.9.Final]
    at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) [EmbeddedChannel.class:4.1.9.Final]
    at net.minecraftforge.fml.common.network.internal.FMLProxyPacket.processPacket(FMLProxyPacket.java:108) [FMLProxyPacket.class:?]
    at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:155) [NetworkManager.class:?]
    at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:49) [NetworkManager.class:?]
    at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [SimpleChannelInboundHandler.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:455) [NetworkDispatcher.class:?]
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:267) [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) [SimpleChannelInboundHandler.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [DefaultChannelPipeline$HeadContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [DefaultChannelPipeline.class:4.1.9.Final]
    at io.netty.channel.local.LocalChannel.finishPeerRead0(LocalChannel.java:443) [LocalChannel.class:4.1.9.Final]
    at io.netty.channel.local.LocalChannel.access$500(LocalChannel.java:49) [LocalChannel.class:4.1.9.Final]
    at io.netty.channel.local.LocalChannel$5.run(LocalChannel.java:397) [LocalChannel$5.class:4.1.9.Final]
    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [AbstractEventExecutor.class:4.1.9.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [SingleThreadEventExecutor.class:4.1.9.Final]
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:442) [NioEventLoop.class:4.1.9.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [SingleThreadEventExecutor$5.class:4.1.9.Final]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
Caused by: java.lang.NullPointerException
    at merthew.mod.util.handler.network.MessageInteger.fromBytes(MessageInteger.java:22) ~[MessageInteger.class:?]
    at net.minecraftforge.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:36) ~[SimpleIndexedCodec.class:?]
    at net.minecraftforge.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:26) ~[SimpleIndexedCodec.class:?]
    at net.minecraftforge.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:111) ~[FMLIndexedMessageToMessageCodec.class:?]
    at net.minecraftforge.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:41) ~[FMLIndexedMessageToMessageCodec.class:?]
    at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81) ~[MessageToMessageCodec$2.class:4.1.9.Final]
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:88) ~[MessageToMessageDecoder.class:4.1.9.Final]
    ... 35 more
[17:37:07] [Netty Server IO #1/ERROR] [FML]: SimpleChannelHandlerWrapper exception
io.netty.handler.codec.DecoderException: java.lang.NullPointerException
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:98) ~[MessageToMessageDecoder.class:4.1.9.Final]
    at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[MessageToMessageCodec.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [DefaultChannelPipeline$HeadContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [DefaultChannelPipeline.class:4.1.9.Final]
    at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) [EmbeddedChannel.class:4.1.9.Final]
    at net.minecraftforge.fml.common.network.internal.FMLProxyPacket.processPacket(FMLProxyPacket.java:108) [FMLProxyPacket.class:?]
    at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:155) [NetworkManager.class:?]
    at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:49) [NetworkManager.class:?]
    at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [SimpleChannelInboundHandler.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:455) [NetworkDispatcher.class:?]
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:267) [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) [SimpleChannelInboundHandler.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [DefaultChannelPipeline$HeadContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [DefaultChannelPipeline.class:4.1.9.Final]
    at io.netty.channel.local.LocalChannel.finishPeerRead0(LocalChannel.java:443) [LocalChannel.class:4.1.9.Final]
    at io.netty.channel.local.LocalChannel.access$500(LocalChannel.java:49) [LocalChannel.class:4.1.9.Final]
    at io.netty.channel.local.LocalChannel$5.run(LocalChannel.java:397) [LocalChannel$5.class:4.1.9.Final]
    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [AbstractEventExecutor.class:4.1.9.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [SingleThreadEventExecutor.class:4.1.9.Final]
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:442) [NioEventLoop.class:4.1.9.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [SingleThreadEventExecutor$5.class:4.1.9.Final]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
Caused by: java.lang.NullPointerException
    at merthew.mod.util.handler.network.MessageInteger.fromBytes(MessageInteger.java:22) ~[MessageInteger.class:?]
    at net.minecraftforge.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:36) ~[SimpleIndexedCodec.class:?]
    at net.minecraftforge.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:26) ~[SimpleIndexedCodec.class:?]
    at net.minecraftforge.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:111) ~[FMLIndexedMessageToMessageCodec.class:?]
    at net.minecraftforge.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:41) ~[FMLIndexedMessageToMessageCodec.class:?]
    at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81) ~[MessageToMessageCodec$2.class:4.1.9.Final]
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:88) ~[MessageToMessageDecoder.class:4.1.9.Final]
    ... 35 more
[17:37:07] [Netty Server IO #1/ERROR] [FML]: There was a critical exception handling a packet on channel mm
io.netty.handler.codec.DecoderException: java.lang.NullPointerException
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:98) ~[MessageToMessageDecoder.class:4.1.9.Final]
    at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[MessageToMessageCodec.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) ~[DefaultChannelPipeline$HeadContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) ~[DefaultChannelPipeline.class:4.1.9.Final]
    at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:274) ~[EmbeddedChannel.class:4.1.9.Final]
    at net.minecraftforge.fml.common.network.internal.FMLProxyPacket.processPacket(FMLProxyPacket.java:108) [FMLProxyPacket.class:?]
    at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:155) [NetworkManager.class:?]
    at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:49) [NetworkManager.class:?]
    at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [SimpleChannelInboundHandler.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:455) [NetworkDispatcher.class:?]
    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:267) [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) [SimpleChannelInboundHandler.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [DefaultChannelPipeline$HeadContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [DefaultChannelPipeline.class:4.1.9.Final]
    at io.netty.channel.local.LocalChannel.finishPeerRead0(LocalChannel.java:443) [LocalChannel.class:4.1.9.Final]
    at io.netty.channel.local.LocalChannel.access$500(LocalChannel.java:49) [LocalChannel.class:4.1.9.Final]
    at io.netty.channel.local.LocalChannel$5.run(LocalChannel.java:397) [LocalChannel$5.class:4.1.9.Final]
    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [AbstractEventExecutor.class:4.1.9.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [SingleThreadEventExecutor.class:4.1.9.Final]
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:442) [NioEventLoop.class:4.1.9.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [SingleThreadEventExecutor$5.class:4.1.9.Final]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
Caused by: java.lang.NullPointerException
    at merthew.mod.util.handler.network.MessageInteger.fromBytes(MessageInteger.java:22) ~[MessageInteger.class:?]
    at net.minecraftforge.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:36) ~[SimpleIndexedCodec.class:?]
    at net.minecraftforge.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:26) ~[SimpleIndexedCodec.class:?]
    at net.minecraftforge.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:111) ~[FMLIndexedMessageToMessageCodec.class:?]
    at net.minecraftforge.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:41) ~[FMLIndexedMessageToMessageCodec.class:?]
    at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81) ~[MessageToMessageCodec$2.class:4.1.9.Final]
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:88) ~[MessageToMessageDecoder.class:4.1.9.Final]
    ... 35 more
[17:37:07] [Netty Server IO #1/ERROR] [FML]: Network Disconnect: A fatal error has occurred, this connection is terminated
[17:37:07] [Server thread/INFO] [minecraft/NetHandlerPlayServer]: Player206 lost connection: Disconnected
[17:37:07] [Server thread/INFO] [minecraft/MinecraftServer]: Player206 left the game
[17:37:07] [Server thread/INFO] [minecraft/NetHandlerPlayServer]: Stopping singleplayer server as player logged out
[17:37:07] [Server thread/INFO] [minecraft/MinecraftServer]: Stopping server
[17:37:07] [Server thread/INFO] [minecraft/MinecraftServer]: Saving players
[17:37:07] [Server thread/INFO] [minecraft/MinecraftServer]: Saving worlds
[17:37:07] [Server thread/INFO] [minecraft/MinecraftServer]: Saving chunks for level 'World Test'/overworld
[17:37:08] [Server thread/INFO] [FML]: Unloading dimension 0
[17:37:08] [Server thread/INFO] [FML]: Applying holder lookups
[17:37:08] [Server thread/INFO] [FML]: Holder lookups applied
[17:37:10] [Client thread/INFO] [minecraft/Minecraft]: Stopping!
[17:37:10] [Client thread/INFO] [minecraft/SoundManager]: SoundSystem shutting down...
[17:37:10] [Client thread/WARN] [minecraft/SoundManager]: Author: Paul Lamb, www.paulscode.com
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
 

My code: https://github.com/Merthew/Merthew-Mod

The seven became one and the one became two.

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