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https://issues.apache.org/jira/browse/MAHOUT-819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christoph Nagel updated MAHOUT-819:
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Attachment: MAHOUT-819.patch
> NullPointerException in matrix vector multiplication in TimesSquaredJob
> -----------------------------------------------------------------------
>
> Key: MAHOUT-819
> URL: https://issues.apache.org/jira/browse/MAHOUT-819
> Project: Mahout
> Issue Type: Bug
> Components: Math
> Affects Versions: 0.6
> Reporter: Christoph Nagel
> Fix For: 0.6
>
> Attachments: MAHOUT-819.patch
>
>
> TimesSquaredMapper causes a NullPointerException in method close() if member
> out isn't initiated.
> Adding a null-check fixes the issue.
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