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Posted to dev@mahout.apache.org by "Isabel Drost (JIRA)" <ji...@apache.org> on 2013/04/30 22:06:16 UTC

[jira] [Created] (MAHOUT-1200) Mahout tests depend on writing to /tmp/hadoop-$user

Isabel Drost created MAHOUT-1200:
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             Summary: Mahout tests depend on writing to /tmp/hadoop-$user
                 Key: MAHOUT-1200
                 URL: https://issues.apache.org/jira/browse/MAHOUT-1200
             Project: Mahout
          Issue Type: Bug
          Components: build
    Affects Versions: 0.7
            Reporter: Isabel Drost


Running the Mahout test suite creates the temp directory /tmp/hadoop-$user which is used by all Hadoop related tests that pull up a local cluster. The directory is not removed after running the tests. In particular when running multiple tests in parallel on the same machine as the same user this can lead to problems.

To re-produce issue the following commands prior to running the full test suite:

mkdir /tmp/hadoop-$USER

chmod 000 /tmp/hadoop-$USER

mvn test



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