Yongjun Zhang created HDFS-6707:
-----------------------------------

             Summary: 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


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/

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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
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