怪异的RMI异常
A服务器的程序访问B服务器的程序发布的RMI服务，报了奇怪的异常，以前没见过，需要仔细分析一下：
2013-08-22 15:02:46,942 [com.plat.rmi.time.RmiLogTimeImpl]-[ERROR] 摘要发送失败。org.springframework.remoting.RemoteConnectFailureException: Could not connect to remote service [rmi://172.29.0.73:1100/SummaryService]; nested exception is java.rmi.ConnectException: Connection refused to host: ; nested exception is: java.net.ConnectException: Connection refused at org.springframework.remoting.rmi.RmiClientInterceptorUtils.convertRmiAccessException(RmiClientInterceptorUtils.java:189) at org.springframework.remoting.rmi.RmiClientInterceptor.doInvoke(RmiClientInterceptor.java:347) at org.springframework.remoting.rmi.RmiClientInterceptor.refreshAndRetry(RmiClientInterceptor.java:330) at org.springframework.remoting.rmi.RmiClientInterceptor.handleRemoteConnectFailure(RmiClientInterceptor.java:306) at org.springframework.remoting.rmi.RmiClientInterceptor.invoke(RmiClientInterceptor.java:262) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202) at com.sun.proxy.$Proxy28.push(Unknown Source) at com.plat.rmi.time.RmiLogTimeImpl.update(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
