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https://issues.apache.org/jira/browse/HADOOP-11167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14161870#comment-14161870
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Arun Suresh commented on HADOOP-11167:
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+1 Looks straight forward... Thanks for the test cases [~gchanan]
> ZKDelegationTokenSecretManager doesn't always handle zk node existing
> correctly
> -------------------------------------------------------------------------------
>
> Key: HADOOP-11167
> URL: https://issues.apache.org/jira/browse/HADOOP-11167
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 2.6.0
> Reporter: Gregory Chanan
> Assignee: Gregory Chanan
> Attachments: HADOOP-11167.patch, HADOOP-11167.patch
>
>
> The ZKDelegationTokenSecretManager is inconsistent in how it handles curator
> checkExists calls. Sometimes it assumes null response means the node exists,
> sometimes it doesn't. This causes it to be buggy in some cases.
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