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https://issues.apache.org/jira/browse/SPARK-13148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Graves updated SPARK-13148:
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Assignee: Steve Loughran
> document zero-keytab Oozie application launch; add diagnostics
> --------------------------------------------------------------
>
> Key: SPARK-13148
> URL: https://issues.apache.org/jira/browse/SPARK-13148
> Project: Spark
> Issue Type: New Feature
> Components: YARN
> Affects Versions: 1.6.0
> Environment: YARN cluster with Kerberos enabled, launched from Oozie
> —where Oozie passes down the delegation tokens
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Fix For: 2.0.0
>
>
> Oozie can launch Spark instances on insecure clusters, and on a secure
> cluster if Oozie is set up to provide a keytab.
> What it cannot currently do is launch a Spark application on a YARN cluster
> without a keytab. In this situation, Oozie collects the delegation tokens it
> is setup to collect (as a superuser in the cluster), saves them to a file,
> then points to the file in the `HADOOP_TOKEN_FILE_LOCATION` environment
> variable.
> These tokens need to be used to launch the application —rather than try to
> get some more
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