I have this error after playing1 minute in my server world, when I tried to reconect i couldn't and gave me this error (sorry if my english isn't so good):
internal exception: io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(8) + length(1) exceedswriterIndex(8): PooledUnsafeDirectByteBuf(ridx: 8, widx:8, cap:8)