WellaceZ commented on issue #1564: Provider停机过程中，consumer的新请求报The request is rejected和Failed to send request, local:not connected问题 URL: https://github.com/apache/servicecomb-java-chassis/issues/1564#issuecomment-583373819 > This artical maybe useful. [使用CSE实现滚动升级零中断](https://bbs.huaweicloud.com/blogs/107630) Provider实例1停机的时候，通知了注册中心unregister，注册中心又通知了Comsumer对实例1进行unregister，那么Comsumer没有刷新下本地缓存吗（即使用者及时感知实例下线）？把实例1清除掉。。。这样不是既可以防止新的请求发送到停机中的实例，也可以避免继续使用错误的实例进行访问吗？
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