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https://issues.apache.org/jira/browse/MAHOUT-834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13269817#comment-13269817
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Hudson commented on MAHOUT-834:
-------------------------------
Integrated in Mahout-Quality #1465 (See
[https://builds.apache.org/job/Mahout-Quality/1465/])
MAHOUT-834 rowsimilarityjob doesn't clean it's temp dir, and fails when
seeing it again (Revision 1335032)
Result = SUCCESS
ssc : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1335032
Files :
*
/mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/similarity/cooccurrence/RowSimilarityJob.java
> rowsimilarityjob doesn't clean it's temp dir, and fails when seeing it again
> ----------------------------------------------------------------------------
>
> Key: MAHOUT-834
> URL: https://issues.apache.org/jira/browse/MAHOUT-834
> Project: Mahout
> Issue Type: Bug
> Components: Integration
> Affects Versions: 0.6, 0.7
> Reporter: Dan Brickley
> Assignee: Suneel Marthi
> Priority: Minor
> Fix For: 0.7
>
> Attachments: Mahout-834.patch, Mahout-834.patch
>
>
> If I do this:
> mahout rowsimilarity --input matrixified/matrix --output sims/
> --numberOfColumns 27684 --similarityClassname SIMILARITY_LOGLIKELIHOOD
> --excludeSelfSimilarity
> then clean my output and rerun,
> rm -rf sims/ # (though this step doesn't even seem needed)
> then try again:
> mahout rowsimilarity --input matrixified/matrix --output sims/
> --numberOfColumns 27684 --similarityClassname SIMILARITY_LOGLIKELIHOOD
> --excludeSelfSimilarity
> The temp files left from the first run make a re-run impossible - we get:
> "Exception in thread "main"
> org.apache.hadoop.mapred.FileAlreadyExistsException: Output directory
> temp/weights already exists".
> Manually deleting the temp directory fixes this.
> I get same behaviour if I explicitly pass in a --tempdir path, e.g.:
> mahout rowsimilarity --input matrixified/matrix --output sims/
> --numberOfColumns 27684 --similarityClassname SIMILARITY_LOGLIKELIHOOD
> --excludeSelfSimilarity --tempDir tmp2/
> Presumably something like HadoopUtil.delete(getConf(),tempDirPath) is needed
> somewhere? (and maybe --overwrite too ?)
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