[jira] [Created] (MAPREDUCE-5349) TestClusterMapReduceTestCase and TestJobName fail on Windows in branch-2

["Chuan Liu (JIRA)" <ji...@apache.org>]

Chuan Liu created MAPREDUCE-5349:
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             Summary: TestClusterMapReduceTestCase and TestJobName fail on Windows in branch-2
                 Key: MAPREDUCE-5349
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5349
             Project: Hadoop Map/Reduce
          Issue Type: Bug
    Affects Versions: 2.1.0-beta
            Reporter: Chuan Liu
            Assignee: Chuan Liu
            Priority: Minor


The two unit tests fails due to MiniMRCluster use test class fullname in branch-2, instead of simple name as in trunk, to construct the MiniMRCluster identifier. Full name in the identifier almost always leads to a command script path with length larger than 260 characters which will generate an exception {{DefaultContainerExecutor.launchContainer()}} when launching the container script.

The exception looks like the follows:
{noformat}
2013-06-24 09:45:03,060 WARN  [ContainersLauncher #0] launcher.ContainerLaunch (ContainerLaunch.java:call(262)) - Failed to launch container.
java.io.IOException: Cannot launch container using script at path C:/Users/chuanliu/AppData/Local/Temp/1/1372092295656/org.apache.hadoop.mapred.ClusterMapReduceTestCaseConfigurableMiniMRCluster_1106798455-localDir-nm-0_1/usercache/chuanliu/appcache/application_1372092193505_0001/container_1372092193505_0001_01_000001/default_container_executor.cmd, because it exceeds the maximum supported path length of 260 characters.  Consider configuring shorter directories in yarn.nodemanager.local-dirs.
	at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:159)
	at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:257)
	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}

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