@Override
                public void onException(Throwable e) {
                    logger.error("Process exception in callback.", e);
                    latch.countDown();
                }
do invoke

@param type
@param url
@return
@throws RemotingException
@throws InterruptedException
src/test/java/com/alipay/remoting/rpc/addressargs/AddressArgs_CONNECTIONNUM_Test.java