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https://issues.apache.org/jira/browse/SPARK-13478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16650302#comment-16650302
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Sunayan Saikia commented on SPARK-13478:
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[~vanzin] As we know 'spark-submit' command by itself doesn't officially allow
the '\-\-proxy\-user' and '\-\-principal/\-ketab' options to be used together.
So, how this patch working?
> Fetching delegation tokens for Hive fails when using proxy users
> ----------------------------------------------------------------
>
> Key: SPARK-13478
> URL: https://issues.apache.org/jira/browse/SPARK-13478
> Project: Spark
> Issue Type: Bug
> Components: YARN
> Affects Versions: 1.6.0, 2.0.0
> Reporter: Marcelo Vanzin
> Assignee: Marcelo Vanzin
> Priority: Minor
> Fix For: 1.6.4, 2.0.0
>
>
> If you use spark-submit's proxy user support, the code that fetches
> delegation tokens for the Hive Metastore fails. It seems like the Hive
> library tries to connect to the Metastore as the proxy user, and it doesn't
> have a Kerberos TGT for that user, so it fails.
> I don't know whether the same issue exists in the HBase code, but I'll make a
> similar change so that both behave similarly.
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