[jira] [Commented] (BEAM-315) Flink Runner compares keys unencoded which may produce incorrect results

["Aljoscha Krettek (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15310277#comment-15310277 ] 

Aljoscha Krettek commented on BEAM-315:
---------------------------------------

I think we should make this issue into two issues. Leave this one as an issue for batch, I already have a fix for this. Then create a new issue for the streaming side, which is a bit more complicated. This way, we can correctly track progress.

What do you say [~mxm]?

> Flink Runner compares keys unencoded which may produce incorrect results
> ------------------------------------------------------------------------
>
>                 Key: BEAM-315
>                 URL: https://issues.apache.org/jira/browse/BEAM-315
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-flink
>    Affects Versions: 0.1.0-incubating
>            Reporter: Pawel Szczur
>            Assignee: Aljoscha Krettek
>         Attachments: CoGroupPipelineStringKey.java
>
>
> Same keys are processed multiple times.
> A repo to reproduce the bug:
> https://github.com/orian/cogroup-wrong-grouping
> Discussion:
> http://mail-archives.apache.org/mod_mbox/incubator-beam-user/201605.mbox/%3CCAB2uKkG2xHsWpLFUkYnt8eEzdxU%3DB_nu6crTwVi-ZuUpugxkPQ%40mail.gmail.com%3E
> Notice: I haven't tested other runners (didn't manage to configure Spark).



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