xilef11

numbered? do you mean the "discriminator"/[whatever it's called int] parameter of registerMessage?

ok, i've set up a few new packets in an attempt to properly update things, but I get a crash when opening the GUI. log: [15:56:55] [server thread/ERROR] [FML]: FMLIndexedMessageCodec exception caught io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(11) + length(1) exceeds writerIndex(11): SlicedByteBuf(ridx: 11, widx: 11, cap: 11/11, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 12, cap: 12/12)) 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:86) [FMLProxyPacket.class:?] at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:247) [NetworkManager.class:?] at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:182) [NetworkSystem.class:?] at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:736) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:624) [MinecraftServer.class:?] at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118) [integratedServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:495) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:762) [MinecraftServer$2.class:?] Caused by: java.lang.IndexOutOfBoundsException: readerIndex(11) + length(1) exceeds writerIndex(11): SlicedByteBuf(ridx: 11, widx: 11, cap: 11/11, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 12, cap: 12/12)) at io.netty.buffer.AbstractByteBuf.checkReadableBytes(AbstractByteBuf.java:1160) ~[AbstractByteBuf.class:?] at io.netty.buffer.AbstractByteBuf.readByte(AbstractByteBuf.java:562) ~[AbstractByteBuf.class:?] at cpw.mods.fml.common.network.ByteBufUtils.readVarInt(ByteBufUtils.java:46) ~[byteBufUtils.class:?] at cpw.mods.fml.common.network.ByteBufUtils.readUTF8String(ByteBufUtils.java:118) ~[byteBufUtils.class:?] at com.zpig333.runesofwizardry.gui.DustDyeUpdatePacket.fromBytes(DustDyeUpdatePacket.java:27) ~[DustDyeUpdatePacket.class:?] at cpw.mods.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:17) ~[simpleIndexedCodec.class:?] at cpw.mods.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:7) ~[simpleIndexedCodec.class:?] at cpw.mods.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:77) ~[FMLIndexedMessageToMessageCodec.class:?] at cpw.mods.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:17) ~[FMLIndexedMessageToMessageCodec.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:?] ... 13 more [15:56:55] [server thread/ERROR] [FML]: SimpleChannelHandlerWrapper exception io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(11) + length(1) exceeds writerIndex(11): SlicedByteBuf(ridx: 11, widx: 11, cap: 11/11, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 12, cap: 12/12)) 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:86) [FMLProxyPacket.class:?] at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:247) [NetworkManager.class:?] at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:182) [NetworkSystem.class:?] at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:736) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:624) [MinecraftServer.class:?] at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118) [integratedServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:495) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:762) [MinecraftServer$2.class:?] Caused by: java.lang.IndexOutOfBoundsException: readerIndex(11) + length(1) exceeds writerIndex(11): SlicedByteBuf(ridx: 11, widx: 11, cap: 11/11, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 12, cap: 12/12)) at io.netty.buffer.AbstractByteBuf.checkReadableBytes(AbstractByteBuf.java:1160) ~[AbstractByteBuf.class:?] at io.netty.buffer.AbstractByteBuf.readByte(AbstractByteBuf.java:562) ~[AbstractByteBuf.class:?] at cpw.mods.fml.common.network.ByteBufUtils.readVarInt(ByteBufUtils.java:46) ~[byteBufUtils.class:?] at cpw.mods.fml.common.network.ByteBufUtils.readUTF8String(ByteBufUtils.java:118) ~[byteBufUtils.class:?] at com.zpig333.runesofwizardry.gui.DustDyeUpdatePacket.fromBytes(DustDyeUpdatePacket.java:27) ~[DustDyeUpdatePacket.class:?] at cpw.mods.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:17) ~[simpleIndexedCodec.class:?] at cpw.mods.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:7) ~[simpleIndexedCodec.class:?] at cpw.mods.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:77) ~[FMLIndexedMessageToMessageCodec.class:?] at cpw.mods.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:17) ~[FMLIndexedMessageToMessageCodec.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:?] ... 13 more [15:56:55] [server thread/ERROR] [FML]: SimpleChannelHandlerWrapper exception io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(11) + length(1) exceeds writerIndex(11): SlicedByteBuf(ridx: 11, widx: 11, cap: 11/11, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 12, cap: 12/12)) 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:86) [FMLProxyPacket.class:?] at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:247) [NetworkManager.class:?] at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:182) [NetworkSystem.class:?] at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:736) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:624) [MinecraftServer.class:?] at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118) [integratedServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:495) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:762) [MinecraftServer$2.class:?] Caused by: java.lang.IndexOutOfBoundsException: readerIndex(11) + length(1) exceeds writerIndex(11): SlicedByteBuf(ridx: 11, widx: 11, cap: 11/11, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 12, cap: 12/12)) at io.netty.buffer.AbstractByteBuf.checkReadableBytes(AbstractByteBuf.java:1160) ~[AbstractByteBuf.class:?] at io.netty.buffer.AbstractByteBuf.readByte(AbstractByteBuf.java:562) ~[AbstractByteBuf.class:?] at cpw.mods.fml.common.network.ByteBufUtils.readVarInt(ByteBufUtils.java:46) ~[byteBufUtils.class:?] at cpw.mods.fml.common.network.ByteBufUtils.readUTF8String(ByteBufUtils.java:118) ~[byteBufUtils.class:?] at com.zpig333.runesofwizardry.gui.DustDyeUpdatePacket.fromBytes(DustDyeUpdatePacket.java:27) ~[DustDyeUpdatePacket.class:?] at cpw.mods.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:17) ~[simpleIndexedCodec.class:?] at cpw.mods.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:7) ~[simpleIndexedCodec.class:?] at cpw.mods.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:77) ~[FMLIndexedMessageToMessageCodec.class:?] at cpw.mods.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:17) ~[FMLIndexedMessageToMessageCodec.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:?] ... 13 more [15:56:55] [server thread/ERROR] [FML]: SimpleChannelHandlerWrapper exception io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(11) + length(1) exceeds writerIndex(11): SlicedByteBuf(ridx: 11, widx: 11, cap: 11/11, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 12, cap: 12/12)) 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:86) [FMLProxyPacket.class:?] at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:247) [NetworkManager.class:?] at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:182) [NetworkSystem.class:?] at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:736) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:624) [MinecraftServer.class:?] at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118) [integratedServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:495) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:762) [MinecraftServer$2.class:?] Caused by: java.lang.IndexOutOfBoundsException: readerIndex(11) + length(1) exceeds writerIndex(11): SlicedByteBuf(ridx: 11, widx: 11, cap: 11/11, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 12, cap: 12/12)) at io.netty.buffer.AbstractByteBuf.checkReadableBytes(AbstractByteBuf.java:1160) ~[AbstractByteBuf.class:?] at io.netty.buffer.AbstractByteBuf.readByte(AbstractByteBuf.java:562) ~[AbstractByteBuf.class:?] at cpw.mods.fml.common.network.ByteBufUtils.readVarInt(ByteBufUtils.java:46) ~[byteBufUtils.class:?] at cpw.mods.fml.common.network.ByteBufUtils.readUTF8String(ByteBufUtils.java:118) ~[byteBufUtils.class:?] at com.zpig333.runesofwizardry.gui.DustDyeUpdatePacket.fromBytes(DustDyeUpdatePacket.java:27) ~[DustDyeUpdatePacket.class:?] at cpw.mods.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:17) ~[simpleIndexedCodec.class:?] at cpw.mods.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:7) ~[simpleIndexedCodec.class:?] at cpw.mods.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:77) ~[FMLIndexedMessageToMessageCodec.class:?] at cpw.mods.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:17) ~[FMLIndexedMessageToMessageCodec.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:?] ... 13 more [15:56:55] [server thread/ERROR] [FML]: There was a critical exception handling a packet on channel RunesWiz io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(11) + length(1) exceeds writerIndex(11): SlicedByteBuf(ridx: 11, widx: 11, cap: 11/11, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 12, cap: 12/12)) 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:86) [FMLProxyPacket.class:?] at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:247) [NetworkManager.class:?] at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:182) [NetworkSystem.class:?] at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:736) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:624) [MinecraftServer.class:?] at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118) [integratedServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:495) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:762) [MinecraftServer$2.class:?] Caused by: java.lang.IndexOutOfBoundsException: readerIndex(11) + length(1) exceeds writerIndex(11): SlicedByteBuf(ridx: 11, widx: 11, cap: 11/11, unwrapped: UnpooledHeapByteBuf(ridx: 1, widx: 12, cap: 12/12)) at io.netty.buffer.AbstractByteBuf.checkReadableBytes(AbstractByteBuf.java:1160) ~[AbstractByteBuf.class:?] at io.netty.buffer.AbstractByteBuf.readByte(AbstractByteBuf.java:562) ~[AbstractByteBuf.class:?] at cpw.mods.fml.common.network.ByteBufUtils.readVarInt(ByteBufUtils.java:46) ~[byteBufUtils.class:?] at cpw.mods.fml.common.network.ByteBufUtils.readUTF8String(ByteBufUtils.java:118) ~[byteBufUtils.class:?] at com.zpig333.runesofwizardry.gui.DustDyeUpdatePacket.fromBytes(DustDyeUpdatePacket.java:27) ~[DustDyeUpdatePacket.class:?] at cpw.mods.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:17) ~[simpleIndexedCodec.class:?] at cpw.mods.fml.common.network.simpleimpl.SimpleIndexedCodec.decodeInto(SimpleIndexedCodec.java:7) ~[simpleIndexedCodec.class:?] at cpw.mods.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:77) ~[FMLIndexedMessageToMessageCodec.class:?] at cpw.mods.fml.common.network.FMLIndexedMessageToMessageCodec.decode(FMLIndexedMessageToMessageCodec.java:17) ~[FMLIndexedMessageToMessageCodec.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:?] ... 13 more [15:56:55] [server thread/INFO]: Player180 lost connection: TextComponent{text='A fatal error has occured, this connection is terminated', siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null}} [15:56:55] [server thread/INFO]: Player180 left the game I can't find where this comes from code (GitHub because IMO it's easier than copy-pasting 5 files and miss those you need to see)

yes, this makes sense. I tried doing that, but I have trouble understanding how to arrange the communication between the GUI and the packethandler. if it helps, the full code is on GitHub.

I meant to update the client... I tried setting up a reply, but the item still does not change. I mus be doing something wrong, but I can't find what packet

I'm not sure... I would guess on the client (the item in question changes its rendering depending on the NBT, and it does not change when the button is pressed). that said, it is not updated on world reload either. I see I don't mark the tileentity as dirty, I'll try that... also, out of curiosity, how do you handle your SendCost packet (reply) on the client?

hello I'm trying to change a tag in the NBT data of an itemstack that is in a container from a gui (on the press of a button). when the button is pressed, the packet seems to be successfully sent and processed, but nothing happens. Packet/handler TileEntity Container GUI I can't figure what is not working, please help. EDIT: forge 1.7.10 (1.7.10-10.13.0.1188)

do you have any idea about which one it is? I tried adding them one at a time but I can't find it.