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Posted to dev@mahout.apache.org by "Sebastian Schelter (JIRA)" <ji...@apache.org> on 2013/06/01 21:57:20 UTC

[jira] [Updated] (MAHOUT-1196) LogisticModelParameters uses csv.getTargetCategories() even if csv is not used.

     [ https://issues.apache.org/jira/browse/MAHOUT-1196?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebastian Schelter updated MAHOUT-1196:
---------------------------------------

    Fix Version/s: 0.8
    
> 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
>             Fix For: 0.8
>
>   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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