Github user vijikarthi commented on the issue:
https://github.com/apache/flink/pull/2275
I have noticed the issue occasionally in master branch too but very
inconsistent. I just rebased against the latest master and ran "mvn clean
verify". I don't see any errors. I have tried couple of times to see if it
reoccurs but it looks good. Not sure if the issue is addressed by some other
patches in the master branch? Could you please give it a try?
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