@Override
      protected void initChannel(Channel channel) {
        channel.pipeline().addLast(new ProtobufVarint32FrameDecoder(),
                                   new ProtobufDecoder(JavacRemoteProto.Message.getDefaultInstance()),
                                   new ProtobufVarint32LengthFieldPrepender(),
                                   new ProtobufEncoder(),
                                   new CompilationRequestsHandler()
        );
      }
@Override
      protected void initChannel(Channel channel)