Github user harishreedharan commented on the pull request:
https://github.com/apache/spark/pull/7158#issuecomment-119304343
Yep. If the user kinits before running the app, then this should not be an
issue. One alternate (unclean) solution is to expose the login method from the
`Client` in the companion object (since we don't want multiple Client
instances) and call `setupCredentials` from `SparkSubmit`. That would fix this
issue and the one in #7255.
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