Github user mxm commented on the issue:
https://github.com/apache/flink/pull/2634
Closed in favor of #2649.
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Github user mxm commented on the issue:
https://github.com/apache/flink/pull/2634
That's correct. I guess it still makes sense to merge this PR.
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Github user zentol commented on the issue:
https://github.com/apache/flink/pull/2634
I don't think fixes the reported issue. The supplied stacktrace shows that
the exception is thrown in a TreeMap, in the AccRegistry we however only deal
with HashMaps. The histograms internally have a