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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6707) Intermittent failure of Symlink tests TestSymlinkLocalFSFileContext,TestSymlinkLocalFSFileSystem
Date Mon, 21 Jul 2014 18:18:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14068965#comment-14068965
] 

Yongjun Zhang commented on HDFS-6707:
-------------------------------------

HI Colin, thanks for the comments. Same feelings on my side that I wish we don't have to depend
on parsing shell output. 
If you look at the patch, you can see that I've already got rid of the dependency on quote
type, I used "->" as the separator to find the link target, which hopefully is more robust.
Thanks.


> Intermittent failure of Symlink tests TestSymlinkLocalFSFileContext,TestSymlinkLocalFSFileSystem

> -------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-6707
>                 URL: https://issues.apache.org/jira/browse/HDFS-6707
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: symlinks
>    Affects Versions: 2.5.0
>            Reporter: Yongjun Zhang
>            Assignee: Yongjun Zhang
>         Attachments: HDFS-6707.001.patch, HDFS-6707.002.dbg.patch, HDFS-6707.003.dbg.patch,
HDFS-6707.004.patch
>
>
> Symlink tests failure happened from time to time,
> https://builds.apache.org/job/PreCommit-HDFS-Build/7383//testReport/
> https://builds.apache.org/job/PreCommit-HDFS-Build/7376/testReport/
> {code}
> Failed
> org.apache.hadoop.fs.TestSymlinkLocalFSFileContext.testDanglingLink
> Failing for the past 1 build (Since Failed#7376 )
> Took 83 ms.
> Error Message
> Path file:/home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build/trunk/hadoop-common-project/hadoop-common/target/test/data/RtGBheUh4y/test1/linkToFile
is not a symbolic link
> Stacktrace
> java.io.IOException: Path file:/home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build/trunk/hadoop-common-project/hadoop-common/target/test/data/RtGBheUh4y/test1/linkToFile
is not a symbolic link
> 	at org.apache.hadoop.fs.FileStatus.getSymlink(FileStatus.java:266)
> 	at org.apache.hadoop.fs.TestSymlinkLocalFS.testDanglingLink(TestSymlinkLocalFS.java:163)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> 	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> Standard Output
> 2014-07-17 23:31:37,770 WARN  fs.FileUtil (FileUtil.java:symLink(829)) - Command 'ln
-s /home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build/trunk/hadoop-common-project/hadoop-common/target/test/data/RtGBheUh4y/test1/file
/home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build/trunk/hadoop-common-project/hadoop-common/target/test/data/RtGBheUh4y/test2/linkToFile'
failed 1 with: ln: failed to create symbolic link '/home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build/trunk/hadoop-common-project/hadoop-common/target/test/data/RtGBheUh4y/test2/linkToFile':
No such file or directory
> 2014-07-17 23:31:38,109 WARN  fs.FileUtil (FileUtil.java:symLink(829)) - Command 'ln
-s /home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build/trunk/hadoop-common-project/hadoop-common/target/test/data/RtGBheUh4y/test1/file
/home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build/trunk/hadoop-common-project/hadoop-common/target/test/data/RtGBheUh4y/test1/linkToFile'
failed 1 with: ln: failed to create symbolic link '/home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build/trunk/hadoop-common-project/hadoop-common/target/test/data/RtGBheUh4y/test1/linkToFile':
File exists
> {code}



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