The test TestMiniMRWithDFS.checkTaskDirectories is checking for task
directories incorrectly
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Key: HADOOP-4409
URL: https://issues.apache.org/jira/browse/HADOOP-4409
Project: Hadoop Core
Issue Type: Test
Components: mapred, test
Reporter: Hemanth Yamijala
The check for task directories in {{TestMiniMRWithDFS.checkTaskDirectories}}
seems incorrect. The following code:
{code}
assertTrue("task tracker dir " + trackerDir + " does not exist.",
trackerDir.isDirectory());
{code}
in the test case seems to assume that every configured task tracker has the
task tracker directory {{TaskTracker.SUBDIR}} created. However, this directory
is only created if any task is assigned to the task tracker. As there is no
real control over which task trackers will actually be assigned tasks, it seems
an incorrect check.
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