Github user tgravescs commented on the pull request:
https://github.com/apache/spark/pull/6026#issuecomment-100929401
How about we just wrap submitApplication is a try catch block and check to
see if we need to cleanup the staging directory if it fails. that way it
should cover more failure scenarios.
You have to do certain things in certain order in order to submit. We
create the launch context (which includes preparing the resources, create the
submission context and submit to yarn. Personally I like having the resources
setup before setting it in the context.
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