@Override
                public void onException(Throwable e) {
                    logger.error("Error in callback", e);
                    ret.add(e);
                    latch.countDown();
                }
exception test

@author xiaomin.cxm
@version $Id: ExceptionTest.java, v 0.1 Apr 6, 2016 9:41:53 PM xiaomin.cxm Exp $
src/test/java/com/alipay/remoting/rpc/exception/ExceptionTest.java