BigXin0109 commented on PR #12742:
URL: https://github.com/apache/dubbo/pull/12742#issuecomment-1639636357

   当服务关闭时,CuratorWatcherImpl 
调用了unwatch方法,导致childListener设置为null。此时process可能正在执行,且是另一个线程处理,在极端情况下,可能会NPE出现


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