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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2178) groupReduceOnNeighbors throws NoSuchElementException
Date Sat, 13 Jun 2015 23:32:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14584877#comment-14584877

ASF GitHub Bot commented on FLINK-2178:

Github user vasia commented on the pull request:

    Hey @andralungu,
    I'm not sure I understand this one. It's a coGroup of vertices with the edges. For the
vertex iterator to be empty, doesn't it mean that there's an edge with an invalid id?

> groupReduceOnNeighbors throws NoSuchElementException
> ----------------------------------------------------
>                 Key: FLINK-2178
>                 URL: https://issues.apache.org/jira/browse/FLINK-2178
>             Project: Flink
>          Issue Type: Bug
>          Components: Gelly
>    Affects Versions: 0.9
>            Reporter: Andra Lungu
>            Assignee: Andra Lungu
> In the ALL EdgeDirection case, ApplyCoGroupFunctionOnAllNeighbors does not check whether
the vertex iterator has elements causing the aforementioned exception. 

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