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https://issues.apache.org/jira/browse/MAHOUT-644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13014019#comment-13014019
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Frank Scholten commented on MAHOUT-644:
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Ok, great.
Btw, I get an IllegalState exception 'No mapped vector?" and looking at the
code it seems that TFDFVectorMapper.map() does not get called before
TFDFVectorMapper.getVector().
> LuceneIterable does not throw exception if field does not have term vectors
> ---------------------------------------------------------------------------
>
> Key: MAHOUT-644
> URL: https://issues.apache.org/jira/browse/MAHOUT-644
> Project: Mahout
> Issue Type: Improvement
> Components: Utils
> Affects Versions: 0.4
> Reporter: Frank Scholten
> Assignee: Sean Owen
> Priority: Minor
> Fix For: 0.5
>
> Attachments: MAHOUT-644.patch, MAHOUT-644.patch
>
>
> LuceneIterable does not throw an exception when it tries to create Mahout
> vectors from a field without term vectors. It should throw an
> IllegalStateException and not silently continue and return null vectors.
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