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https://issues.apache.org/jira/browse/SPARK-11182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14963091#comment-14963091
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Liangliang Gu commented on SPARK-11182:
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https://github.com/apache/spark/pull/9168
> HDFS Delegation Token will be expired when calling
> "UserGroupInformation.getCurrentUser.addCredentials" in HA mode
> ------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-11182
> URL: https://issues.apache.org/jira/browse/SPARK-11182
> Project: Spark
> Issue Type: Bug
> Components: YARN
> Reporter: Liangliang Gu
>
> In HA mode, DFSClient will generate HDFS Delegation Token for each Name Node
> automatically, which will not be updated when Spark update Credentials for
> the current user.
> Spark should update these tokens in order to avoid Token Expired Error.
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