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https://issues.apache.org/jira/browse/FLINK-940?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen resolved FLINK-940.
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Resolution: Invalid
Fix Version/s: 0.6-incubating
The issue resulted in incorrect usage of the delta iterations.
I added additional checks in cd665b9e8abec2bbfecf384fe7273bd50f22ce67 to throw
an error upon such usage,
> DeltaIteration coGroup at SolutionSet doesn't find values
> ---------------------------------------------------------
>
> Key: FLINK-940
> URL: https://issues.apache.org/jira/browse/FLINK-940
> Project: Flink
> Issue Type: Bug
> Components: Java API
> Affects Versions: pre-apache-0.5.1
> Reporter: Bastian Köcher
> Assignee: Stephan Ewen
> Fix For: 0.6-incubating
>
> Attachments: IMPRO-3.SS14.G03.zip
>
>
> If I execute a coGroup on a SolutionSet, the grouping doesn't find any
> matching tuples, but if I reverse the grouping(SolutionSet as second set),
> matching tuples are found.
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