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