Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/2970
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GitHub user tillrohrmann opened a pull request:
https://github.com/apache/flink/pull/2970
[FLINK-5300] Add more gentle file deletion procedure
Before deleting a parent directory always check the directory whether it
contains some
files. If not, then try to delete the parent
