[jira] Commented: (HADOOP-4050) TestFairScheduler failed on Linux

["Matei Zaharia (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-4050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12627321#action_12627321 ] 

Matei Zaharia commented on HADOOP-4050:
---------------------------------------

This is odd because TestFairScheduler worked on Linux both on my machine and on Hudson (check out the last Hudson reply for HADOOP-3746). I think there might be a permission problem or a JRE bug such as this one: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182812. Can you tell me what version of Java you have, what command you used to run the test, whether the directory /home/tsz/hadoop/latest/build/contrib/fairscheduler/test/data exists, and what are its permissions? If you look at the code for the test, it first calls mkdirs on the test's working directory and then tries to write the file; so since the mkdirs didn't fail, it looks like the directory was created or already existed, but it failed to create the file.

> TestFairScheduler failed on Linux
> ---------------------------------
>
>                 Key: HADOOP-4050
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4050
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/fair-share
>         Environment: Linux
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Matei Zaharia
>
> {noformat}
> Testsuite: org.apache.hadoop.mapred.TestFairScheduler
> Tests run: 13, Failures: 0, Errors: 13, Time elapsed: 0.042 sec
> Testcase: testAllocationFileParsing took 0.004 sec
>         Caused an ERROR
> /home/tsz/hadoop/latest/build/contrib/fairscheduler/test/data/./test-pools (No such file or directory)
> java.io.FileNotFoundException: /home/tsz/hadoop/latest/build/contrib/fairscheduler/test/data/./test-pools (No such file or directory)
>         at java.io.FileOutputStream.open(Native Method)
>         at java.io.FileOutputStream.<init>(FileOutputStream.java:179)
>         at java.io.FileOutputStream.<init>(FileOutputStream.java:70)
>         at java.io.FileWriter.<init>(FileWriter.java:46)
>         at org.apache.hadoop.mapred.TestFairScheduler.setUp(TestFairScheduler.java:215)
> ...
> {noformat}

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