Github user asdf2014 closed the pull request at:
https://github.com/apache/flink/pull/4474
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GitHub user asdf2014 opened a pull request:
https://github.com/apache/flink/pull/4474
FLINK-7369: Add more information for `Key group index out of range of key
group range` exception
When i got the following exception log, it make me confused that the index
is more than `32` or
