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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-11182) HDFS Delegation Token will be expired when calling "UserGroupInformation.getCurrentUser.addCredentials" in HA mode
Date Tue, 20 Feb 2018 10:39:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-11182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16369914#comment-16369914
] 

Steve Loughran commented on SPARK-11182:
----------------------------------------

bug is in HDFS; been fixed in 2.8.2+ with cherry pickings to both CDH And HDP (AFAIK)

> 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
>    Affects Versions: 1.5.1
>            Reporter: Liangliang Gu
>            Priority: Major
>
> 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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