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From: "Micah Whitacre (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (CRUNCH-379) Unions of PTable and
 PCollection<Pair> fail in crunch-spark
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    [ https://issues.apache.org/jira/browse/CRUNCH-379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13976296#comment-13976296 ] 

Micah Whitacre commented on CRUNCH-379:
---------------------------------------

+1

> Unions of PTable and PCollection<Pair> fail in crunch-spark
> -----------------------------------------------------------
>
>                 Key: CRUNCH-379
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-379
>             Project: Crunch
>          Issue Type: Bug
>    Affects Versions: 0.9.0, 0.8.2
>            Reporter: Josh Wills
>             Fix For: 0.10.0, 0.8.3
>
>         Attachments: CRUNCH-379.patch
>
>
> Right now, unioning a PTable<K, V> and a PCollection<Pair<K, V>> in crunch-spark will fail due to a ClassCastException-- one parent PCollection will return a JavaRDD, while the other will return a JavaPairRDD, and we'll only be expecting one type to be returned. This unioning works correctly in the MR impl, so we should add a fix for it to work correctly in crunch-spark as well.



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