[jira] [Created] (FLINK-3757) addAccumulator does not throw Exception on duplicate accumulator name

[Konstantin Knauf (JIRA)]

Konstantin Knauf created FLINK-3757:
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             Summary: addAccumulator does not throw Exception on duplicate 
accumulator name
                 Key: FLINK-3757
                 URL: https://issues.apache.org/jira/browse/FLINK-3757
             Project: Flink
          Issue Type: Bug
            Reporter: Konstantin Knauf
            Priority: Minor


Works if tasks are chained, but in many situations it does not, see

See https://gist.github.com/knaufk/a0026eff9792aa905a2f586f3b0cb112

Is this an undocumented feature or a valid bug?




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