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Posted to common-issues@hadoop.apache.org by "Vijaya Phanindra (Commented) (JIRA)" <ji...@apache.org> on 2011/12/29 03:07:30 UTC
[jira] [Commented] (HADOOP-7682) taskTracker could not start
because "Failed to set permissions" to "ttprivate to 0700"
[ https://issues.apache.org/jira/browse/HADOOP-7682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13176945#comment-13176945 ]
Vijaya Phanindra commented on HADOOP-7682:
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The problem seems to exists for release 1.0.0 also. Works fine if downgraded to 0.20.2
java.io.IOException: Failed to set permissions of path: \tmp\hadoop-UserName\mapred\staging\UserName-1687815415\.staging to 0700
at org.apache.hadoop.fs.FileUtil.checkReturnValue(FileUtil.java:682)
at org.apache.hadoop.fs.FileUtil.setPermission(FileUtil.java:655)
at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:509)
at org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:344)
at org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:189)
at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:116)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:856)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:850)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1083)
at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:850)
at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:824)
at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1261)
at org.apache.hadoop.examples.Grep.run(Grep.java:69)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.hadoop.examples.Grep.main(Grep.java:93)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64)
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.apache.hadoop.util.RunJar.main(RunJar.java:156)
> taskTracker could not start because "Failed to set permissions" to "ttprivate to 0700"
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-7682
> URL: https://issues.apache.org/jira/browse/HADOOP-7682
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.20.203.0
> Environment: OS:WindowsXP SP3 , Filesystem :NTFS, cygwin 1.7.9-1, jdk1.6.0_05
> Reporter: Magic Xie
>
> ERROR org.apache.hadoop.mapred.TaskTracker:Can not start task tracker because java.io.IOException:Failed to set permissions of path:/tmp/hadoop-cyg_server/mapred/local/ttprivate to 0700
> at org.apache.hadoop.fs.RawLocalFileSystem.checkReturnValue(RawLocalFileSystem.java:525)
> at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:499)
> at org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:318)
> at org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:183)
> at org.apache.hadoop.mapred.TaskTracker.initialize(TaskTracker.java:635)
> at org.apache.hadoop.mapred.TaskTracker.(TaskTracker.java:1328)
> at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:3430)
> Since hadoop0.20.203 when the TaskTracker initialize, it checks the permission(TaskTracker Line 624) of (org.apache.hadoop.mapred.TaskTracker.TT_LOG_TMP_DIR,org.apache.hadoop.mapred.TaskTracker.TT_PRIVATE_DIR, org.apache.hadoop.mapred.TaskTracker.TT_PRIVATE_DIR).RawLocalFileSystem(http://svn.apache.org/viewvc/hadoop/common/tags/release-0.20.203.0/src/core/org/apache/hadoop/fs/RawLocalFileSystem.java?view=markup) call setPermission(Line 481) to deal with it, setPermission works fine on *nx, however,it dose not alway works on windows.
> setPermission call setReadable of Java.io.File in the line 498, but according to the Table1 below provided by oracle,setReadable(false) will always return false on windows, the same as setExecutable(false).
> http://java.sun.com/developer/technicalArticles/J2SE/Desktop/javase6/enhancements/
> is it cause the task tracker "Failed to set permissions" to "ttprivate to 0700"?
> Hadoop 0.20.202 works fine in the same environment.
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