Disconnection Massage:

Internal Exception: io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(1) + length(1) exceeds writerIndex(1): PooledUnsafeDirectByteBuf(ridx: 1, widx: 1, cap: 1)

Server Console gives the Output:

[Netty Epoll Server IO #2/ERROR]: io.netty.handler.codec.EncoderException: String too big (was 64584 bytes encoded, max 32767)