Github user mateiz commented on the pull request:
https://github.com/apache/spark/pull/1281#issuecomment-50250447
When did this come up? I'm actually not sure this is a good behavior,
because doing this means that a user might completely miss a misconfigured
directory. With the current behavior, you immediately get an error and can fix
your configuration. I was wondering if you had a scenario where it was just too
difficult to configure this correctly on each machine.
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