InitialHandler - encountered exception

[kxjhwbb]

seems like some hack.. I get this warning sometime

16:27:14 [INFO] [/13.194.149.74:4507] <-> InitialHandler has connected
16:27:14 [WARNING] [/13.194.149.74:4507] <-> InitialHandler - encountered exception
io.netty.handler.codec.DecoderException: net.md_5.bungee.protocol.BadPacketException: Did not read all bytes from packet class net.md_5.bungee.protocol.packet.LoginRequest 0 Protocol LOGIN Direction net.md_5.bungee.protocol.Protocol$DirectionData@6086737e
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:278)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:147)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:161)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
at io.netty.handler.timeout.ReadTimeoutHandler.channelRead(ReadTimeoutHandler.java:150)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
at java.lang.Thread.run(Thread.java:745)
Caused by: net.md_5.bungee.protocol.BadPacketException: Did not read all bytes from packet class net.md_5.bungee.protocol.packet.LoginRequest 0 Protocol LOGIN Direction net.md_5.bungee.protocol.Protocol$DirectionData@6086737e
at net.md_5.bungee.protocol.MinecraftDecoder.decode(MinecraftDecoder.java:37)
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:247)
... 17 more

[kxjhwbb]

and this

16:56:46 [WARNING] [/1.32.92.234:10067] <-> InitialHandler - encountered exception
io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(1) + length(1) exceeds writerIndex(1): PooledUnsafeDirectByteBuf(ridx: 1, widx: 1, cap: 1)
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:278)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:147)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:161)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
at io.netty.handler.codec.ByteToMessageDecoder.handlerRemoved(ByteToMessageDecoder.java:108)
at io.netty.channel.DefaultChannelPipeline.callHandlerRemoved0(DefaultChannelPipeline.java:526)
at io.netty.channel.DefaultChannelPipeline.callHandlerRemoved(DefaultChannelPipeline.java:520)
at io.netty.channel.DefaultChannelPipeline.remove0(DefaultChannelPipeline.java:350)
at io.netty.channel.DefaultChannelPipeline.remove(DefaultChannelPipeline.java:321)
at io.netty.channel.DefaultChannelPipeline.remove(DefaultChannelPipeline.java:298)
at net.md_5.bungee.protocol.LegacyDecoder.decode(LegacyDecoder.java:37)
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:247)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:147)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
at io.netty.handler.timeout.ReadTimeoutHandler.channelRead(ReadTimeoutHandler.java:150)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IndexOutOfBoundsException: readerIndex(1) + length(1) exceeds writerIndex(1): PooledUnsafeDirectByteBuf(ridx: 1, widx: 1, cap: 1)
at io.netty.buffer.AbstractByteBuf.checkReadableBytes(AbstractByteBuf.java:1175)
at io.netty.buffer.AbstractByteBuf.readByte(AbstractByteBuf.java:570)
at net.md_5.bungee.protocol.DefinedPacket.readVarInt(DefinedPacket.java:111)
at net.md_5.bungee.protocol.DefinedPacket.readVarInt(DefinedPacket.java:101)
at net.md_5.bungee.protocol.packet.Handshake.read(Handshake.java:26)
at net.md_5.bungee.protocol.DefinedPacket.read(DefinedPacket.java:196)
at net.md_5.bungee.protocol.MinecraftDecoder.decode(MinecraftDecoder.java:34)
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:247)
... 28 more

[Janmm14]

Its no hack, its likely invalid data sent by clients. If you can reproduce this with a 100% sure vanilla client, please say so.