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修改curator客户端,解决zookeeper宕机重启CuratorWatcherImpl中的process方法异常的问题#215

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修改curator客户端,解决zookeeper宕机重启CuratorWatcherImpl中的process方法异常的问题#215
YanXs wants to merge 70 commits intodangdangdotcom:masterfrom
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@YanXs YanXs commented Oct 26, 2016

使用curator做zookeeper客户端时,当zookeeper宕机重启后,curator客户端重连后会产生一个None类型的WatchEvent,调用process方法会抛异常。虽然异常会被捕捉并记录到日志中,并不会像1.x.x版本出现无法重连的问题,但是这里其实可以加上event类型限制,只对NodeChildrenChanged事件调用后面的方法。

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