Github user zentol commented on the pull request:
https://github.com/apache/flink/pull/1067#issuecomment-135342976
Have you verified that returning at that position does not cause other
issues? This is essentially just swallowing the thrown exception, hoping
nothing else goes wrong.
I don't see how this actually fixes the issue. The count being negatives
tells us there is something wrong with the bucket count being set. Resolving
that would be a fix.
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