Github user vanzin commented on the pull request:
https://github.com/apache/spark/pull/1387#issuecomment-49070018
So your whole issue is with the `FileNotFoundException` being logged? Or,
aside from that, is there a user-visible side-effect, such as the wrong job
status being reported, or SparkContext not being properly stopped?
But I'll just repeat it: `System.gc()` is not the way to fix this. If you
really want to fix that, you need to do it properly. Otherwise, I'll live with
the exception (which you fix may actually not prevent).
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