Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/3279
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GitHub user NicoK opened a pull request:
https://github.com/apache/flink/pull/3279
[FLINK-5618][docs] createSerializer must actually get a non-null
ExecutionConfig
providing `null` fails with a NPE
You can merge this pull request into a Git repository by running:
$ git pull
