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Posted to issues@spark.apache.org by "Thomas Graves (JIRA)" <ji...@apache.org> on 2016/05/26 18:54:13 UTC
[jira] [Commented] (SPARK-13148) document zero-keytab Oozie
application launch; add diagnostics
[ https://issues.apache.org/jira/browse/SPARK-13148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15302687#comment-15302687 ]
Thomas Graves commented on SPARK-13148:
---------------------------------------
note we changed this to just document what was going on and add in debug message.
> 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
>
> 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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