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From "Jordan Zimmerman (JIRA)" <>
Subject [jira] [Commented] (CURATOR-153) PathChildrenCache occasionally cannot reconnect to ZK
Date Mon, 13 Oct 2014 19:36:34 GMT


Jordan Zimmerman commented on CURATOR-153:

If you look at the call chain that leads to the NPE you're seeing, it's not possible. So,
there's something really strange going on here. 

> PathChildrenCache occasionally cannot reconnect to ZK
> -----------------------------------------------------
>                 Key: CURATOR-153
>                 URL:
>             Project: Apache Curator
>          Issue Type: Bug
>          Components: Recipes
>    Affects Versions: 2.4.2, 2.5.0, 2.6.0
>            Reporter: Fangjin Yang
> We use Curator as part of the Druid open source project ( We've had issues
where if ZK is brought down and back up, numerous nodes cannot reconnect. The issue is very
difficult to reproduce locally but we've seen it often in production. The issue appears to
be in PathChildrenCache. There is a longer description here:

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