[WARN ][io.netty.channel.DefaultChannelPipeline] An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.
io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(29) + length(543977319) exceeds writerIndex(29571): PooledUnsafeDirectByteBuf(ridx: 29, widx: 29571, cap: 32768)
so many this,how to fix?