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https://issues.apache.org/jira/browse/MAHOUT-1196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13638378#comment-13638378
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Ted Dunning commented on MAHOUT-1196:
-------------------------------------
Do you have a suggested patch?
> LogisticModelParameters uses csv.getTargetCategories() even if csv is not
> used.
> -------------------------------------------------------------------------------
>
> Key: MAHOUT-1196
> URL: https://issues.apache.org/jira/browse/MAHOUT-1196
> Project: Mahout
> Issue Type: Bug
> Components: Classification
> Affects Versions: 0.8
> Environment: All
> Reporter: Vineet Krishnan
> Priority: Trivial
> Labels: CSV, Classifier, LogisticModelParameters
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> saveTo(OutputStream out) tries to get csv.getTargetCategories() even when it
> has already been set. In a case when CsvRecordFactory is not used, this gives
> a NullPointerException when saveTo() is called.
> IMHO a simple null check for targetCategories is sufficient.
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