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Hey,

I have a little problem with simplempl. I want that if I press NUM1, I get a potion effect. But it doesn't work. Also, I cannot understand the Error message.

Error:

[20:54:28] [Client thread/ERROR] [FML]: FMLIndexedMessageCodec exception caught
io.netty.handler.codec.EncoderException: java.lang.IndexOutOfBoundsException: readerIndex(0) + length(4) exceeds writerIndex(1): UnpooledHeapByteBuf(ridx: 0, widx: 1, cap: 256)
	at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:107) ~[MessageToMessageEncoder.class:4.0.15.Final]
	at io.netty.handler.codec.MessageToMessageCodec.write(MessageToMessageCodec.java:116) ~[MessageToMessageCodec.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelHandlerContext.invokeWrite(DefaultChannelHandlerContext.java:645) ~[DefaultChannelHandlerContext.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelHandlerContext.write(DefaultChannelHandlerContext.java:699) ~[DefaultChannelHandlerContext.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelHandlerContext.writeAndFlush(DefaultChannelHandlerContext.java:689) ~[DefaultChannelHandlerContext.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelHandlerContext.writeAndFlush(DefaultChannelHandlerContext.java:718) ~[DefaultChannelHandlerContext.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:893) ~[DefaultChannelPipeline.class:4.0.15.Final]
	at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:240) ~[AbstractChannel.class:4.0.15.Final]
	at net.minecraftforge.fml.common.network.simpleimpl.SimpleNetworkWrapper.sendToServer(SimpleNetworkWrapper.java:236) [SimpleNetworkWrapper.class:?]
	at de.steve44tv.KeyEffects.Keyhandler.onKeyPressed(Keyhandler.java:19) [Keyhandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_6_Keyhandler_onKeyPressed_KeyInputEvent.invoke(.dynamic) [?:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55) [ASMEventHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140) [EventBus.class:?]
	at net.minecraftforge.fml.common.FMLCommonHandler.fireKeyInput(FMLCommonHandler.java:581) [FMLCommonHandler.class:?]
	at net.minecraft.client.Minecraft.runTick(Minecraft.java:2042) [Minecraft.class:?]
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1088) [Minecraft.class:?]
	at net.minecraft.client.Minecraft.run(Minecraft.java:376) [Minecraft.class:?]
	at net.minecraft.client.main.Main.main(Main.java:117) [Main.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_71]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_71]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_71]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_71]
	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:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_71]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_71]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_71]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_71]
	at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source) [start/:?]
	at GradleStart.main(Unknown Source) [start/:?]
Caused by: java.lang.IndexOutOfBoundsException: readerIndex(0) + length(4) exceeds writerIndex(1): UnpooledHeapByteBuf(ridx: 0, widx: 1, cap: 256)
	at io.netty.buffer.AbstractByteBuf.checkReadableBytes(AbstractByteBuf.java:1161) ~[AbstractByteBuf.class:4.0.15.Final]
	at io.netty.buffer.AbstractByteBuf.readInt(AbstractByteBuf.java:612) ~[AbstractByteBuf.class:4.0.15.Final]
	at net.minecraft.network.PacketBuffer.readInt(PacketBuffer.java:693) ~[PacketBuffer.class:?]
	at de.steve44tv.KeyEffects.packets.SetPlayerPotionPacket.toBytes(SetPlayerPotionPacket.java:24) ~[SetPlayerPotionPacket.class:?]
	at net.minecraftforge.fml.common.network.simpleimpl.SimpleIndexedCodec.encodeInto(SimpleIndexedCodec.java:11) ~[SimpleIndexedCodec.class:?]
	at net.minecraftforge.fml.common.network.simpleimpl.SimpleIndexedCodec.encodeInto(SimpleIndexedCodec.java:7) ~[SimpleIndexedCodec.class:?]
	at net.minecraftforge.fml.common.network.FMLIndexedMessageToMessageCodec.encode(FMLIndexedMessageToMessageCodec.java:55) ~[FMLIndexedMessageToMessageCodec.class:?]
	at io.netty.handler.codec.MessageToMessageCodec$1.encode(MessageToMessageCodec.java:67) ~[MessageToMessageCodec$1.class:4.0.15.Final]
	at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:89) ~[MessageToMessageEncoder.class:4.0.15.Final]
	... 29 more

IMessage Class:

[Source code Removed]

IMessageHandler Class:

[Source code Removed]

Thanks,

Steve

Sure. Here it is:

[Source code Removed]

Thank you man! It's working now.

Hey, now I have a new Problem. If I Press NUM0 (to clear the Effects) the game crash.

Error:

[22:02:51] [Netty Server IO #3/ERROR] [FML]: There was a critical exception handling a packet on channel keyeffects
io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:99) ~[MessageToMessageDecoder.class:4.0.15.Final]
	at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[MessageToMessageCodec.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338) ~[DefaultChannelHandlerContext.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324) ~[DefaultChannelHandlerContext.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) ~[DefaultChannelPipeline.class:4.0.15.Final]
	at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:169) ~[EmbeddedChannel.class:4.0.15.Final]
	at net.minecraftforge.fml.common.network.internal.FMLProxyPacket.processPacket(FMLProxyPacket.java:88) [FMLProxyPacket.class:?]
	at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:144) [NetworkManager.class:?]
	at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:469) [NetworkManager.class:?]
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:103) [SimpleChannelInboundHandler.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338) [DefaultChannelHandlerContext.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324) [DefaultChannelHandlerContext.class:4.0.15.Final]
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.handleServerSideCustomPacket(NetworkDispatcher.java:423) [NetworkDispatcher.class:?]
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:247) [NetworkDispatcher.class:?]
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:51) [NetworkDispatcher.class:?]
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:103) [SimpleChannelInboundHandler.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:338) [DefaultChannelHandlerContext.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:324) [DefaultChannelHandlerContext.class:4.0.15.Final]
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) [DefaultChannelPipeline.class:4.0.15.Final]
	at io.netty.channel.local.LocalChannel.finishPeerRead(LocalChannel.java:312) [LocalChannel.class:4.0.15.Final]
	at io.netty.channel.local.LocalChannel.access$400(LocalChannel.java:44) [LocalChannel.class:4.0.15.Final]
	at io.netty.channel.local.LocalChannel$6.run(LocalChannel.java:298) [LocalChannel$6.class:4.0.15.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:354) [SingleThreadEventExecutor.class:4.0.15.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:353) [NioEventLoop.class:4.0.15.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101) [SingleThreadEventExecutor$2.class:4.0.15.Final]
	at java.lang.Thread.run(Unknown Source) [?:1.7.0_71]
Caused by: java.lang.IndexOutOfBoundsException
	at io.netty.buffer.EmptyByteBuf.readInt(EmptyByteBuf.java:470) ~[EmptyByteBuf.class:4.0.15.Final]
	at de.steve44tv.KeyEffects.packets.SetPlayerPotionPacket.fromBytes(SetPlayerPotionPacket.java:18) ~[SetPlayerPotionPacket.class:?]
	at net.minecraftforge.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:17) ~[SimpleIndexedCodec.class:?]
	at net.minecraftforge.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:7) ~[SimpleIndexedCodec.class:?]
	at net.minecraftforge.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:81) ~[FMLIndexedMessageToMessageCodec.class:?]
	at net.minecraftforge.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:21) ~[FMLIndexedMessageToMessageCodec.class:?]
	at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81) ~[MessageToMessageCodec$2.class:4.0.15.Final]
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89) ~[MessageToMessageDecoder.class:4.0.15.Final]
	... 25 more

ClearPlayerEffectPacket (IMessage Class):

[Source code Removed]

IMessageHandler (ClearPlayerEffectPacketHandler):

[Source code Removed]

It would be nice If you could help me.

Steve

[Source code Removed]

Yeah. Now you have my complete Mod, haha.

Yeah I will do this. I will give it a try tomorrow, thank you very much

Would be nice,if it makes no circumstances Thx