Github user tgravescs commented on the pull request:
https://github.com/apache/spark/pull/8867#issuecomment-142599144
@SaintBacchus when you launch your job do you kinit first? did you use
keytab to kinit? If you turn on debug logging for hadoop do you see anything
like "Saving TGT from keytab to ticket cache".
If its actually relogging in from keytab then you should also see something
like "Initiating logout for".. and then "Initiating re-login for" with DEBUG
logging on.
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