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https://issues.apache.org/jira/browse/MAHOUT-1467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13938367#comment-13938367
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Andrew Musselman commented on MAHOUT-1467:
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Could you please submit a patch; let me know if you'd like a hand.
> ClusterClassifier readPolicy leaks file handles
> -----------------------------------------------
>
> Key: MAHOUT-1467
> URL: https://issues.apache.org/jira/browse/MAHOUT-1467
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.9
> Reporter: Avi Shinnar
>
> The org.apache.mahout.clustering.classify.ClusterClassifier.readPolicy method
> leaks file handles.
> This leak causes a serious problems in setups that reuse JVMs for multiple
> tasks (as with "mapred.job.reuse.jvm.num.tasks").
> In more detail:
> The org.apache.mahout.clustering.classify.ClusterClassifier class has static
> methods to read policies: readPolicy.
> It opens a SequenceFile.Reader and reads from it, and then neglects to close
> it.
> suggested fix:
> add a call to reader.close() before the return statement in readPolicy
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