[ https://issues.apache.org/jira/browse/CRUNCH-154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim van Heugten updated CRUNCH-154:
-----------------------------------

    Attachment:     (was: MSCRPlannerNpeTest.java)
    
> Union of two PTable causes NPE in MSCRPlanner
> ---------------------------------------------
>
>                 Key: CRUNCH-154
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-154
>             Project: Crunch
>          Issue Type: Bug
>    Affects Versions: 0.4.0
>            Reporter: Tim van Heugten
>            Priority: Critical
>         Attachments: FirstLetterKeyFn.java, MSCRPlannerNpeTest.java, words.txt
>
>
> Two PTables are created from two PCollections. 
> One of the PCollections is materialized.
> The PTables are unioned and materialized.
> When pipeline.run() is called a NPE is thrown in MSCRPlanner.
> Note that I use materialize while any output target would have the same effect.

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