Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/2483
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GitHub user apivovarov opened a pull request:
https://github.com/apache/flink/pull/2483
[FLINK-4601] Check for empty string properly
https://issues.apache.org/jira/browse/FLINK-4601
You can merge this pull request into a Git repository by running:
$ git pull
