@Override
    public EchoResponse echoObj(EchoRequest req) {
        EchoResponse response = EchoResponse.newBuilder()
            .setCode(200)
            .setMessage("protobuf works! " + req.getName())
            .build();
        return response;
    }
@author <a href="mailto:zhanggeng.zg@antfin.com">GengZhang</a>
test/test-integration/src/test/java/com/alipay/sofa/rpc/server/bolt/ProtobufServiceImpl.java