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https://issues.apache.org/jira/browse/FLINK-4601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15476719#comment-15476719
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ASF GitHub Bot commented on FLINK-4601:
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Github user twalthr commented on the issue:
https://github.com/apache/flink/pull/2483
Thanks for the fix. Will merge...
> Check for empty string properly
> -------------------------------
>
> Key: FLINK-4601
> URL: https://issues.apache.org/jira/browse/FLINK-4601
> Project: Flink
> Issue Type: Bug
> Affects Versions: 1.1.2
> Reporter: Alexander Pivovarov
> Priority: Trivial
>
> UdfAnalyzerExamplesTest.java and UdfAnalyzerTest.java use == to check for
> empty string. We should use isEmpty() instead
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