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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4050) TestFairScheduler failed on Linux
Date Tue, 02 Sep 2008 10:00:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12627619#action_12627619

Steve Loughran commented on HADOOP-4050:

The java apis are a bit vague about handing a relative path to File("./test-pools"); its the
same as File(null,,"./test-pools"), which again is pretty ambigious. 

It's better to have a base directory to work with, but you dont want to work relative to the
processes 'current' dir as in IDEs or complex builds, that is rarely where you expect it to

One option here is to add more diagnostics to the test case; check the file exists, that its
parent dir exists, etc.

> 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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