this.bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
        @Override
        public ChannelPipeline getPipeline() throws Exception {
            return Channels.pipeline(
                    new StringDecoder(CharsetUtil.UTF_8),
                    new StringEncoder(CharsetUtil.UTF_8),
                    new DelimiterBasedFrameDecoder(
                            ALLOWED_CHARACTER_BUFFER_SIZE, Delimiters
                                    .lineDelimiter()),

                    /* We also add our Clients own ChannelHandler. */
                    new ClientChannelHandler());
        }
    });

byte[] byteVersion = searchPlanRepo.serialize(missionNum);  // serialize the search plan
 searchPlanStr = new String(byteVersion, StandardCharsets.UTF_8);