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https://issues.apache.org/jira/browse/MAPREDUCE-1237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer updated MAPREDUCE-1237:
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    Affects Version/s: 0.20.1
                       0.20.2

> Job with no maps or reduces creates graph with XML parsing error
> ----------------------------------------------------------------
>
>                 Key: MAPREDUCE-1237
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1237
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.1, 0.20.2
>            Reporter: Allen Wittenauer
>
> For some reason, a job that had zero maps and zero reduces got submitted.  
> When looking at the details of this job in the jobtracker ui, the map 
> completion graph was an XML error rather than something more meaningful.

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