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Posted to common-issues@hadoop.apache.org by "Chuan Liu (JIRA)" <ji...@apache.org> on 2013/08/13 01:27:48 UTC
[jira] [Updated] (HADOOP-9865) FileContext.globStatus() has a
regression with respect to relative path
[ https://issues.apache.org/jira/browse/HADOOP-9865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chuan Liu updated HADOOP-9865:
------------------------------
Attachment: HADOOP-9865-demo.patch
Attach a patch demonstrating the problem described above. I will work on a more complete fix and add some unit tests.
> FileContext.globStatus() has a regression with respect to relative path
> -----------------------------------------------------------------------
>
> Key: HADOOP-9865
> URL: https://issues.apache.org/jira/browse/HADOOP-9865
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Chuan Liu
> Assignee: Chuan Liu
> Attachments: HADOOP-9865-demo.patch
>
>
> I discovered the problem when running unit test TestMRJobClient. The cause is indirect in this case. In the unit test, we try to launch a job and list its status. The job failed, and caused the list command get a result of 0, which triggered the unit test assert. From the log and debug, the job failed because we failed to create the Jar with classpath (see code around {{FileUtil.createJarWithClassPath}}) in {{ContainerLaunch}}. This step failed because we passed in a relative path to {{FileContext.globStatus()}} in {{FileUtil.createJarWithClassPath}}. The relevant log looks like the following.
> {noformat}
> 2013-08-12 16:12:05,937 WARN [ContainersLauncher #0] launcher.ContainerLaunch (ContainerLaunch.java:call(270)) - Failed to launch container.
> org.apache.hadoop.HadoopIllegalArgumentException: Path is relative
> at org.apache.hadoop.fs.Path.checkNotRelative(Path.java:74)
> at org.apache.hadoop.fs.FileContext.getFSofPath(FileContext.java:304)
> at org.apache.hadoop.fs.Globber.schemeFromPath(Globber.java:107)
> at org.apache.hadoop.fs.Globber.glob(Globber.java:128)
> at org.apache.hadoop.fs.FileContext$Util.globStatus(FileContext.java:1908)
> at org.apache.hadoop.fs.FileUtil.createJarWithClassPath(FileUtil.java:1247)
> at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.sanitizeEnv(ContainerLaunch.java:679)
> at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:232)
> at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:1)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
> I think this is a regression from HADOOP-9817. I modified some code and the unit test passed. (See the attached patch.) However, I think the impact is larger. I will add some unit tests to verify the behavior, and work on a more complete fix.
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