@Override
                    public void onException(Throwable e) {
                        logger.error("Process exception in callback.", e);
                        latch.countDown();
                    }
test custom serializer codec

@author tsui
@version $Id: CustomSerializerCodecTest.java, v 0.1 2017-03-13 17:14 tsui Exp $
src/test/java/com/alipay/remoting/rpc/serializer/CustomSerializerCodecTest.java