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https://issues.apache.org/jira/browse/HDFS-6707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14068990#comment-14068990
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Colin Patrick McCabe commented on HDFS-6707:
--------------------------------------------
+1 once you add a unit test to TestStat.java (and pending Jenkins, of course)
Thanks, Yongjun.
> 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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