[jira] [Created] (FLINK-2942) Dangling operators in web UI's program visualization

[Shang Yuanchun (Jira)]

Fabian Hueske created FLINK-2942:
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             Summary: Dangling operators in web UI's program visualization
                 Key: FLINK-2942
                 URL: https://issues.apache.org/jira/browse/FLINK-2942
             Project: Flink
          Issue Type: Bug
          Components: Webfrontend
    Affects Versions: 0.10
         Environment: OSX, Firefox and Chrome
            Reporter: Fabian Hueske
            Priority: Critical
             Fix For: 0.10, 1.0


When visualizing a program with three {{MapPartition}} operators that branch off from an {{OuterJoin}} operator, two of the three {{MapPartition}} operators are not connected to the {{OuterJoin}} operator and appear to have no input.

The problem is present in FireFox as well as in Chrome. I'll attach a screenshot.

The problem and be reproduced by executing the "Cascading for the impatient" [TFIDF example program|https://github.com/Cascading/Impatient/tree/master/part5] using the [Cascading Flink Connector|https://github.com/dataArtisans/cascading-flink].



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