[1.7.2] Packets Help Byte-Int[UNSOLVED]

Heltrato · April 25, 2014

Hello everyone im trying to update my AI Packets for my mod however since Packets now use bytes often im having issues with my sendingPackets it often crashes here

public class Packet02 extends AbstractPacket{

private byte animID;
private int entityID;

public Packet02(int id, EntityMob mob) {
	animID = (byte) id;
	entityID = tigrex.getEntityId();
}

@Override
public void encodeInto(ChannelHandlerContext paramChannelHandlerContext, ByteBuf x) {
	x.writeByte(animID);
	x.writeInt(entityID);
}

@Override
public void decodeFrom(ChannelHandlerContext paramChannelHandlerContext, ByteBuf x) {
	animID = x.readByte();
	entityID = x.readInt();
}

@Override
public void handleClientSide(EntityPlayer paramEntityPlayer) {
	EntityMob mob= (EntityMob)paramEntityPlayer.worldObj.getEntityByID(entityID);
	if(mob != null && animID != -1) {
		mob.setAnimID(animID);
		if(animID == 0) mob.setAnimTick(0);
	}
}

@Override
public void handleServerSide(EntityPlayer paramEntityPlayer) {

}

}

specifically this line which causes the crash

x.writeByte(animID);

also this is the entity code that sends the packet to its AI

public void sendAttackPacket(int id){
        if(ModMain.isEffectiveClient())
        {
            return;
        }
        currentAttackID = id;
        MHFCMain.pipe.sendToAll(new Packet02(id, this));
      
    }

coolAlias · April 25, 2014

Are you sure you can cast your currentAttackId to a byte without overflowing the stack? If your id is an int with a possible value greater than 255, then you should leave it as an int. ByteBuf can write integers just as well as bytes, as you did with the entityId.

sequituri · April 26, 2014

Why you ignore the argument that is the mob and use a hardcoded entity instance?

public Packet02(int id, EntityMob mob) {
	animID = (byte) id;
	entityID = tigrex.getEntityId();
}

In other words, "tigrex" is not an argument to the Packet02 constructor, so where's it from? What's wrong with the argument "mob"?

TheGreyGhost · April 26, 2014

Hi

If the error is on this line, I imagine it is a "Null Pointer Exception", yes?

		x.writeByte(animID);

That probably means you are calling

	@Override
public void encodeInto(ChannelHandlerContext paramChannelHandlerContext, ByteBuf x) {
	x.writeByte(animID);
	x.writeInt(entityID);
}

with an argument x that is null.

If you can figure out why that is happening, you'll be a step closer...

-TGG

Heltrato · April 29, 2014

I fix some issues somehow but still having some crash issues

heres the crash found in the eclipse console

[09:27:13] [Client thread/ERROR] [FML]: There was a critical exception handling a packet on channel mhfc
io.netty.handler.codec.DecoderException: java.lang.InstantiationException: mhfc.net.common.packet.Packet02Tigrex
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:99) ~[MessageToMessageDecoder.class:?]
at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[MessageToMessageCodec.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) ~[DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) ~[DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) ~[DefaultChannelPipeline.class:?]
at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:169) ~[EmbeddedChannel.class:?]
at cpw.mods.fml.common.network.internal.FMLProxyPacket.processPacket(FMLProxyPacket.java:80) [FMLProxyPacket.class:?]
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:232) [NetworkManager.class:?]
at net.minecraft.client.multiplayer.PlayerControllerMP.updateController(PlayerControllerMP.java:321) [PlayerControllerMP.class:?]
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1647) [Minecraft.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:994) [Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:910) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:112) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_51]
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:?]
Caused by: java.lang.InstantiationException: mhfc.net.common.packet.Packet02Tigrex
at java.lang.Class.newInstance(Unknown Source) ~[?:1.7.0_51]
at mhfc.net.common.packet.PacketPipeline.decode(PacketPipeline.java:93) ~[PacketPipeline.class:?]
at mhfc.net.common.packet.PacketPipeline.decode(PacketPipeline.java:1) ~[PacketPipeline.class:?]
at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81) ~[MessageToMessageCodec$2.class:?]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89) ~[MessageToMessageDecoder.class:?]
... 18 more

My Packet

package mhfc.net.common.packet;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import mhfc.net.client.entity.mob.EntityTigrex;
import mhfc.net.common.implement.iMHFC;
import net.minecraft.entity.player.EntityPlayer;

public class Packet02Tigrex extends AbstractPacket{

private int attackID;
private int entityID;

public Packet02Tigrex(int id, EntityTigrex tigrex){
	attackID = id;
	entityID = tigrex.getEntityId();
}

@Override
public void encodeInto(ChannelHandlerContext paramChannelHandlerContext, ByteBuf buff) {
	buff.writeInt(attackID);
	buff.writeInt(entityID);
}

@Override
public void decodeFrom(ChannelHandlerContext paramChannelHandlerContext, ByteBuf buff) {
	attackID = buff.readInt();
	entityID = buff.readInt();
}

@Override
public void handleClientSide(EntityPlayer player) {
	EntityTigrex entity = (EntityTigrex)player.worldObj.getEntityByID(entityID);
	if ((entity != null) && (attackID != -1)) {
		entity.currentAttackID = attackID;
	if (attackID == 0) entity.animTick = 0;
	}
}

@Override
public void handleServerSide(EntityPlayer player) {

}

}

Heltrato · April 29, 2014

bump any help ? need to fix this tonight please someone help

SanAndreasP · April 29, 2014

You need to have a standard constructor without parameters, like

public Packet02Tigrex() {...}

It happened to me, too.

The constructor can be completely empty.

Heltrato · April 29, 2014

Just did it a while ago and now gives me this crash

io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: writerIndex( + minWritableBytes(4) exceeds maxCapacity(: SlicedByteBuf(ridx: 0, widx: 8, cap: 8/8, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 9, cap: 9/9))
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:99) ~[MessageToMessageDecoder.class:?]
at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[MessageToMessageCodec.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) ~[DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) ~[DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) ~[DefaultChannelPipeline.class:?]
at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:169) ~[EmbeddedChannel.class:?]
at cpw.mods.fml.common.network.internal.FMLProxyPacket.processPacket(FMLProxyPacket.java:80) [FMLProxyPacket.class:?]
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:232) [NetworkManager.class:?]
at net.minecraft.client.multiplayer.PlayerControllerMP.updateController(PlayerControllerMP.java:321) [PlayerControllerMP.class:?]
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1647) [Minecraft.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:994) [Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:910) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:112) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_51]
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:?]
Caused by: java.lang.IndexOutOfBoundsException: writerIndex( + minWritableBytes(4) exceeds maxCapacity(: SlicedByteBuf(ridx: 0, widx: 8, cap: 8/8, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 9, cap: 9/9))
at io.netty.buffer.AbstractByteBuf.ensureWritable(AbstractByteBuf.java:241) ~[AbstractByteBuf.class:?]
at io.netty.buffer.AbstractByteBuf.writeInt(AbstractByteBuf.java:776) ~[AbstractByteBuf.class:?]
at mhfc.net.common.packet.Packet02Tigrex.encodeInto(Packet02Tigrex.java:24) ~[Packet02Tigrex.class:?]
at mhfc.net.common.packet.PacketPipeline.decode(PacketPipeline.java:94) ~[PacketPipeline.class:?]
at mhfc.net.common.packet.PacketPipeline.decode(PacketPipeline.java:1) ~[PacketPipeline.class:?]
at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81) ~[MessageToMessageCodec$2.class:?]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89) ~[MessageToMessageDecoder.class:?]
... 18 more

I just cant understand why this packet does it

SanAndreasP · April 29, 2014

Just did it a while ago and now gives me this crash

io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: writerIndex( + minWritableBytes(4) exceeds maxCapacity(: SlicedByteBuf(ridx: 0, widx: 8, cap: 8/8, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 9, cap: 9/9))
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:99) ~[MessageToMessageDecoder.class:?]
at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[MessageToMessageCodec.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) ~[DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) ~[DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) ~[DefaultChannelPipeline.class:?]
at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:169) ~[EmbeddedChannel.class:?]
at cpw.mods.fml.common.network.internal.FMLProxyPacket.processPacket(FMLProxyPacket.java:80) [FMLProxyPacket.class:?]
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:232) [NetworkManager.class:?]
at net.minecraft.client.multiplayer.PlayerControllerMP.updateController(PlayerControllerMP.java:321) [PlayerControllerMP.class:?]
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1647) [Minecraft.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:994) [Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:910) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:112) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_51]
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:?]
Caused by: java.lang.IndexOutOfBoundsException: writerIndex( + minWritableBytes(4) exceeds maxCapacity(: SlicedByteBuf(ridx: 0, widx: 8, cap: 8/8, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 9, cap: 9/9))
at io.netty.buffer.AbstractByteBuf.ensureWritable(AbstractByteBuf.java:241) ~[AbstractByteBuf.class:?]
at io.netty.buffer.AbstractByteBuf.writeInt(AbstractByteBuf.java:776) ~[AbstractByteBuf.class:?]
at mhfc.net.common.packet.Packet02Tigrex.encodeInto(Packet02Tigrex.java:24) ~[Packet02Tigrex.class:?]
at mhfc.net.common.packet.PacketPipeline.decode(PacketPipeline.java:94) ~[PacketPipeline.class:?]
at mhfc.net.common.packet.PacketPipeline.decode(PacketPipeline.java:1) ~[PacketPipeline.class:?]
at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81) ~[MessageToMessageCodec$2.class:?]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89) ~[MessageToMessageDecoder.class:?]
... 18 more

I just cant understand why this packet does it

can you give us the new packet code and possibly your pipeline class (the type class of MHFCMain.pipe)?

Heltrato · April 29, 2014

here mate

Main Class

package mhfc.net;

import mhfc.net.client.lib.MHFCReference;
import mhfc.net.client.tab.MHFCTab;
import mhfc.net.common.MHFCCommon;
import mhfc.net.common.configuration.MHFCConfig;
import mhfc.net.common.handler.MHFCGuiHandler;
import mhfc.net.common.handler.MHFCTickHandler;
import mhfc.net.common.packet.Packet01Anim;
import mhfc.net.common.packet.Packet02Tigrex;
import mhfc.net.common.packet.PacketPipeline;
import mhfc.net.common.registry.MHFCReg;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraftforge.common.MinecraftForge;
import cpw.mods.fml.common.FMLCommonHandler;
import cpw.mods.fml.common.Mod;
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.network.NetworkRegistry;


/**
* 
* This Main File is owned by the MHF Modding Team
* 
* @author <Heltrato>
* @license MHFModding Team Copyright (http://www.minecraftforum.net/topic/1977334-164spmp-monster-hunter-frontier-craft-extreme-mob-hunting-adventure-15000-downloads/) 
* Visit www.mhfrontiercraft.blogspot.com for more info.
* 
*/

@Mod(modid = MHFCMain.modid, name = MHFCReference.name, version = MHFCReference.version)

public class MHFCMain {
@SidedProxy(clientSide = "mhfc.net.client.MHFCClient", serverSide = "mhfc.net.common.MHFCCommon")
public static MHFCCommon proxy;
public static MHFCConfig launch;
public static MHFCReg	 reg;
public static MHFCTickHandler handler;
public static final PacketPipeline packetpipeline = new PacketPipeline();
@Mod.Instance("mhfc")
public static MHFCMain instance;
// Mod References	
public static final String modid = "mhfc";
public static final String authors = "Heltrato , Karseus , Shaduun, Aleksandair, NightCrow";
// Mod Statics
public static final String[] fTimer;
public static boolean explosionsDestroyBlocks = true;
public static int startEntityId = 300;
public static CreativeTabs mhfctabs = new MHFCTab(CreativeTabs.getNextID(),"MHFC Tab");

//	
@Mod.EventHandler
public void preInit(FMLPreInitializationEvent pre){
	launch.init(pre);
	pre.getModMetadata().logoFile = "MHFCLogo.png";
	handler = new MHFCTickHandler();
	MinecraftForge.EVENT_BUS.register(handler);
	 FMLCommonHandler.instance().bus().register(handler);
	NetworkRegistry.INSTANCE.registerGuiHandler(this, new MHFCGuiHandler());

}
@Mod.EventHandler
public void load(FMLInitializationEvent event){
	packetpipeline.initialize();
	packetpipeline.registerPacket(Packet02Tigrex.class);
	packetpipeline.registerPacket(Packet01Anim.class);
	proxy.regSounds();
	proxy.regStuff();
	proxy.regTimer();
	proxy.regTick();
	proxy.regCapes();
}

@Mod.EventHandler
public void postInit(FMLPostInitializationEvent e) {
	packetpipeline.postInitialize();
}

public static boolean isClient(){
	return FMLCommonHandler.instance().getSide().isClient();
}
public static boolean isEffectiveClient(){
	return FMLCommonHandler.instance().getEffectiveSide().isClient();
}
static {
	fTimer = new String[] {"field_71428_T", "S", "timer"};
}
public static void onRenderTick() {}
public static void onClientTick() {}
public static void onServerTick() {}
}

new packet

package mhfc.net.common.packet;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import mhfc.net.client.entity.mob.EntityTigrex;
import mhfc.net.common.implement.iMHFC;
import net.minecraft.entity.player.EntityPlayer;

public class Packet02Tigrex extends AbstractPacket{

private int attackID;
private int entityID;

public Packet02Tigrex(){

}
public Packet02Tigrex(int id, EntityTigrex tigrex){
	attackID = id;
	entityID = tigrex.getEntityId();
}

public void encodeInto(ChannelHandlerContext paramChannelHandlerContext, ByteBuf buff) {
	buff.writeInt(attackID);
	buff.writeInt(entityID);
}

public void decodeFrom(ChannelHandlerContext paramChannelHandlerContext, ByteBuf buff) {
	attackID = buff.readInt();
	entityID = buff.readInt();
}

public void handleClientSide(EntityPlayer player) {
	EntityTigrex entity = (EntityTigrex)player.worldObj.getEntityByID(entityID);
	if ((entity != null) && (attackID != -1)) {
		entity.currentAttackID = attackID;
	if (attackID == 0) entity.animTick = 0;
	}
}

public void handleServerSide(EntityPlayer player) {

}

}

SanAndreasP · April 29, 2014

huh, I really don't see the problem then...

Have a look at my code, maybe it helps you (since it's working fine for me):

https://github.com/SanAndreasP/SAPManagerPack/tree/master/java/de/sanandrew/core/manpack/mod/packet

https://github.com/SanAndreasP/SAPManagerPack/blob/master/java/de/sanandrew/core/manpack/mod/ModCntManPack.java

Heltrato · April 30, 2014

Still crashes damn i cant understand what this CRITICAL ERROR MEANS .

[08:50:58] [Client thread/ERROR] [FML]: There was a critical exception handling a packet on channel mhfc
io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: writerIndex( + minWritableBytes(4) exceeds maxCapacity(: SlicedByteBuf(ridx: 0, widx: 8, cap: 8/8, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 9, cap: 9/9))
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:99) ~[MessageToMessageDecoder.class:?]
at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[MessageToMessageCodec.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) ~[DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) ~[DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) ~[DefaultChannelPipeline.class:?]
at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:169) ~[EmbeddedChannel.class:?]
at cpw.mods.fml.common.network.internal.FMLProxyPacket.processPacket(FMLProxyPacket.java:80) [FMLProxyPacket.class:?]
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:232) [NetworkManager.class:?]
at net.minecraft.client.multiplayer.PlayerControllerMP.updateController(PlayerControllerMP.java:321) [PlayerControllerMP.class:?]
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1647) [Minecraft.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:994) [Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:910) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:112) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_51]
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:?]
Caused by: java.lang.IndexOutOfBoundsException: writerIndex( + minWritableBytes(4) exceeds maxCapacity(: SlicedByteBuf(ridx: 0, widx: 8, cap: 8/8, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 9, cap: 9/9))
at io.netty.buffer.AbstractByteBuf.ensureWritable(AbstractByteBuf.java:241) ~[AbstractByteBuf.class:?]
at io.netty.buffer.AbstractByteBuf.writeInt(AbstractByteBuf.java:776) ~[AbstractByteBuf.class:?]
at mhfc.net.common.packet.Packet02Tigrex.encodeInto(Packet02Tigrex.java:23) ~[Packet02Tigrex.class:?]
at mhfc.net.common.packet.PacketPipeline.decode(PacketPipeline.java:95) ~[PacketPipeline.class:?]
at mhfc.net.common.packet.PacketPipeline.decode(PacketPipeline.java:1) ~[PacketPipeline.class:?]
at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81) ~[MessageToMessageCodec$2.class:?]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89) ~[MessageToMessageDecoder.class:?]
... 18 more

If i can find out what makes this

coolAlias · April 30, 2014

Did you register your packet in the PacketPipeline?

public void initialise() {
this.channels = NetworkRegistry.INSTANCE.newChannel(ModInfo.CHANNEL, this);
registerPacket(YourPacket.class);
// register all packets here
}

Heltrato · April 30, 2014

Yeah man i tried my best to register it and debug but still these error crash come out

There was a critical exception handling a packet on channel mhfc
io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: writerIndex( + minWritableBytes(4) exceeds maxCapacity(: SlicedByteBuf(ridx: 0, widx: 8, cap: 8/8, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 9, cap: 9/9))
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:99) ~[MessageToMessageDecoder.class:?]
at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[MessageToMessageCodec.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) ~[DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) ~[DefaultChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) ~[DefaultChannelPipeline.class:?]
at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:169) ~[EmbeddedChannel.class:?]
at cpw.mods.fml.common.network.internal.FMLProxyPacket.processPacket(FMLProxyPacket.java:80) [FMLProxyPacket.class:?]
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:232) [NetworkManager.class:?]
at net.minecraft.client.multiplayer.PlayerControllerMP.updateController(PlayerControllerMP.java:321) [PlayerControllerMP.class:?]
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1647) [Minecraft.class:?]
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:994) [Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:910) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:112) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_51]
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:?]
Caused by: java.lang.IndexOutOfBoundsException: writerIndex( + minWritableBytes(4) exceeds maxCapacity(: SlicedByteBuf(ridx: 0, widx: 8, cap: 8/8, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 9, cap: 9/9))
at io.netty.buffer.AbstractByteBuf.ensureWritable(AbstractByteBuf.java:241) ~[AbstractByteBuf.class:?]
at io.netty.buffer.AbstractByteBuf.writeInt(AbstractByteBuf.java:776) ~[AbstractByteBuf.class:?]
at mhfc.net.common.packet.Packet02Tigrex.encodeInto(Packet02Tigrex.java:23) ~[Packet02Tigrex.class:?]
at mhfc.net.common.packet.PacketPipeline.decode(PacketPipeline.java:95) ~[PacketPipeline.class:?]
at mhfc.net.common.packet.PacketPipeline.decode(PacketPipeline.java:1) ~[PacketPipeline.class:?]
at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81) ~[MessageToMessageCodec$2.class:?]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89) ~[MessageToMessageDecoder.class:?]
... 18 more

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[1.7.2] Packets Help Byte-Int[UNSOLVED]

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