Github user jerryshao commented on the pull request:
https://github.com/apache/spark/pull/11512#issuecomment-194097212
Thanks a lot for your comment @tgravescs , I think the scenario you
mentioned though has race condition, it seldom happens, and currently we don't
have solutions to handle that, since driver and AM are independent.
Yes, normally we should expect scheduler throw all the exceptions, but you
cannot expect any user code will starting a job immediately after `sc` is
created, or exception will definitely be thrown to AM, what if main function
catch all the exceptions?
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