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

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.7
• Fix Version/s: 0.8
• Component/s: build-classic
• Assignee: Unassigned
• Reporter: Isabel Drost-Fromm
• Created: 30/Apr/13 20:04
• Updated: 03/Feb/14 08:05
• Resolved: 01/Jun/13 22:31

Description

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

Issue Links

• depends upon: MAHOUT-1201 Some Mahout jobs do not pass user supplied Configuration object to sub jobs
• is depended upon by: MAHOUT-916 Make Mahout's tests run in parallel
• relates to: MAHOUT-1325 MapReduce unit tests cannot be run in parallel