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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 resolved MAPREDUCE-1237.
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Resolution: Won't Fix
> 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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