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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6719) org.apache.hadoop.fs.TestDFVariations.testMount failed intermittently because specified path doesn't exist
Date Wed, 23 Jul 2014 06:20:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14071405#comment-14071405
] 

Yongjun Zhang commented on HDFS-6719:
-------------------------------------

I think I found the root cause of this "intermittent" failure: the test root dir set with
system property "test.build.data" is not created by this test, as it is supposed to do. And
the reason that it can succeed often is because all tests are run together, the test root
dir used by this test is actually created by other test.  It fails sometimes because the test
root dir can be removed by some tests (depending on the order that the tests are run). 

So the solution is to create the test root. Posted patch 004.





> org.apache.hadoop.fs.TestDFVariations.testMount failed intermittently because specified
path doesn't exist
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-6719
>                 URL: https://issues.apache.org/jira/browse/HDFS-6719
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.5.0
>            Reporter: Yongjun Zhang
>            Assignee: Yongjun Zhang
>         Attachments: HDFS-6719.001.dbg.patch, HDFS-6719.002.dbg.patch, HDFS-6719.003.dbg.patch,
HDFS-6719.004.dbg.patch, HDFS-6719.005.patch
>
>
> Failure message:
> {code}
> Error Message
> Specified path /home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build/trunk/hadoop-common-project/hadoop-common/target/test/datadoes
not exist
> Stacktrace
> java.io.FileNotFoundException: Specified path /home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build/trunk/hadoop-common-project/hadoop-common/target/test/datadoes
not exist
> 	at org.apache.hadoop.fs.DF.getMount(DF.java:109)
> 	at org.apache.hadoop.fs.TestDFVariations.testMount(TestDFVariations.java:54)
> Standard Output
> java.io.IOException: Fewer lines of output than expected: Filesystem     1K-blocks  
  Used Available Use% Mounted on
> java.io.IOException: Unexpected empty line
> java.io.IOException: Could not parse line:        19222656 10597036   7649060  59% /
> {code}



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