feign.RetryableException: Connection refused (Connection refused) executing POST http://aio-api/aio/match/strategy
 at feign.FeignException.errorExecuting(FeignException.java:67)
 at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:104)
 at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:76)
 at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:103)
 at com.sun.proxy.$Proxy112.processStrategyMatch(Unknown Source)
 at com.jfbank.microservice.mq.process.ProcessMessageAdapterService.processAllMessage(ProcessMessageAdapterService.java:26)
at com.jfbank.microservice.mq.process.qb.QBAIOListtner.processUsualMessage(QBAIOListtner.java:192)
 at com.jfbank.microservice.mq.process.qb.QBAIOListtner$$FastClassBySpringCGLIB$$dfd3b3.invoke(<generated>)
 at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
 at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:746)
 at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
 at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
 at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
 at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)
 at com.jfbank.microservice.mq.process.qb.QBAIOListtner$$EnhancerBySpringCGLIB$$4e1ade5a.processUsualMessage(<generated>)
 at sun.reflect.GeneratedMethodAccessor132.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
 at org.springframework.messaging.handler.invocation.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:181)
 at org.springframework.messaging.handler.invocation.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:114)
 at org.springframework.amqp.rabbit.listener.adapter.HandlerAdapter.invoke(HandlerAdapter.java:51)
 at org.springframework.amqp.rabbit.listener.adapter.MessagingMessageListenerAdapter.invokeHandler(MessagingMessageListenerAdapter.java:182)
 at org.springframework.amqp.rabbit.listener.adapter.MessagingMessageListenerAdapter.onMessage(MessagingMessageListenerAdapter.java:120)
at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:1414)
 at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.actualInvokeListener(AbstractMessageListenerContainer.java:1337)
 at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:1324)
 at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.executeListener(AbstractMessageListenerContainer.java:1303)
 at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer.doReceiveAndExecute(SimpleMessageListenerContainer.java:817)
 at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer.receiveAndExecute(SimpleMessageListenerContainer.java:801)
 at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer.access$700(SimpleMessageListenerContainer.java:77)
 at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1042)

直接停掉服务默认情况下，如果Eureka Server在90秒没有收到Eureka客户的续约，它会将实例从其注册表中删除。但这种做法的不好之处在于， 客户端已经停止了运行，但仍然在注册中心的列表中。 

遇到springcloud项目一定要找运维，让运维配置上线时从eureka中down掉需要上线的服务。