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https://issues.apache.org/jira/browse/CURATOR-153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14169781#comment-14169781
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Jordan Zimmerman commented on CURATOR-153:
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The NPE seems like an impossible state. ZooKeeper is returning the result of
getChildren and the status is good. Also, in GetChildrenBuilderImpl() it
specifically allocates the list of strings if ZooKeeper doesn't provide it.
Strange...
> PathChildrenCache occasionally cannot reconnect to ZK
> -----------------------------------------------------
>
> Key: CURATOR-153
> URL: https://issues.apache.org/jira/browse/CURATOR-153
> 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 (druid.io). 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:
> https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/druid-development/54avmEvLN3E/orZ1taF8hFsJ
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