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https://issues.apache.org/jira/browse/YARN-2241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14049541#comment-14049541
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Karthik Kambatla commented on YARN-2241:
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I am okay with leaving the test in there to avoid regressions of throwing
exceptions in the future.
> ZKRMStateStore: On startup, show nicer messages when znodes already exist
> -------------------------------------------------------------------------
>
> Key: YARN-2241
> URL: https://issues.apache.org/jira/browse/YARN-2241
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.5.0
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Priority: Minor
> Attachments: YARN-2241.patch
>
>
> When using the RMZKStateStore, if you restart the RM, you get a bunch of
> stack traces with messages like
> {{org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
> NodeExists for /rmstore}}. This is expected as these nodes already exist
> from before. We should catch these and print nicer messages.
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