[jira] [Resolved] (MAPREDUCE-4321) DefaultTaskController fails to launch tasks on Windows

["Arun C Murthy (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy resolved MAPREDUCE-4321.
--------------------------------------

          Resolution: Fixed
    Target Version/s: 1-win

I just committed this. Thanks Ivan for the patch and Bikas for the review.
                
> DefaultTaskController fails to launch tasks on Windows
> ------------------------------------------------------
>
>                 Key: MAPREDUCE-4321
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4321
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 1.0.0
>            Reporter: Ivan Mitic
>            Assignee: Ivan Mitic
>         Attachments: MAPREDUCE-4321-branch-1-win.patch
>
>
> DefaultTaskController#launchTask tries to run the child JVM task with the following command line:
> {code}cmd.exe /c /c:/some/path.../taskjvm.cmd{code}
> And this fails because the given path is prefixed with a forward slash. This also causes a number of tests to fail:
> org.apache.hadoop.conf.TestNoDefaultsJobConf
> org.apache.hadoop.fs.TestCopyFiles
> org.apache.hadoop.mapred.TestBadRecords
> org.apache.hadoop.mapred.TestClusterMRNotification
> org.apache.hadoop.mapred.TestCompressedEmptyMapOutputs
> org.apache.hadoop.mapred.TestControlledMapReduceJob
> org.apache.hadoop.mapred.TestCustomOutputCommitter
> org.apache.hadoop.mapred.TestEmptyJob
> org.apache.hadoop.mapred.TestFileOutputFormat
> org.apache.hadoop.mapred.TestIsolationRunner
> org.apache.hadoop.mapred.TestJavaSerialization
> org.apache.hadoop.mapred.TestJobCleanup
> org.apache.hadoop.mapred.TestJobCounters
> org.apache.hadoop.mapred.TestJobHistoryServer
> org.apache.hadoop.mapred.TestJobInProgressListener
> org.apache.hadoop.mapred.TestJobKillAndFail
> org.apache.hadoop.mapred.TestJobName
> ...

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