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https://issues.apache.org/jira/browse/HADOOP-5114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12666683#action_12666683
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Steve Loughran commented on HADOOP-5114:
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I think its important to make sure the client side all works on windows,
regardless of what your server architecture is.
If so many tests are failling there is likely to be one or two root causes. I
can test against SVN head on a vmware XP or Vista image and see what happens
> A bunch of mapred unit tests are failing on Windows
> ---------------------------------------------------
>
> Key: HADOOP-5114
> URL: https://issues.apache.org/jira/browse/HADOOP-5114
> Project: Hadoop Core
> Issue Type: Test
> Components: mapred, test
> Affects Versions: 0.20.0
> Environment: Windows
> Reporter: Ramya R
> Priority: Minor
> Fix For: 0.20.0
>
>
> A bunch of unit tests are consistently failing when run on Windows. Below are
> a list of unit tests which are failing and the corresponding exceptions
> thrown:
> Exception: "java.net.ConnectException: Connection refused: no further
> information"
> Failing tests:
> * TestMiniMRMapRedDebugScript - testMapDebugScript
> * TestNoDefaultsJobConf - testNoDefaults
> * TestQueueManager - testAllEnabledACLForJobSubmission
> * TestCompressedEmptyMapOutputs -
> testMapReduceSortWithCompressedEmptyMapOutputs
> * TestJobInProgressListener - testJobQueueChanges
> * TestKillCompletedJob - testKillCompJob
> * TestMiniMRClasspath - testClassPath
> * TestMiniMRDFSCaching - testWithDFS
> * TestMiniMRWithDFSWithDistinctUsers - testDistinctUsers
> * TestSetupAndCleanupFailure - testWithDFS
> * TestDBJob - testRun
> * TestMiniMRWithDFS - testWithDFS
> * TestJobStatusPersistency - testNonPersistency
> * TestSpecialCharactersInOutputPath - testJobWithDFS
> * TestUserDefinedCounters - testMapReduceJob
> * TestDelegatingInputFormat - testSplitting
> * TestEmptyJobWithDFS - testEmptyJobWithDFS
> * TestJavaSerialization - testMapReduceJob
> * TestClusterMapReduceTestCase - testMapReduce
> Exception: java.lang.IllegalArgumentException: Pathname /<path> from <path>
> is not a valid DFS filename.
> Failing tests:
> * TestJobInProgress - testRunningTaskCount
> * TestJobQueueInformation - testJobQueues
> * TestJobTrackerRestart - testJobTrackerRestart
> Exception: java.io.IOException: Bad connect ack with firstBadLink
> 127.0.0.1:<port number>
> Failing tests:
> * TestJobSysDirWithDFS - testWithDFS
> * TestJobInProgress - testPendingMapTaskCount
> * TestMiniMRDFSSort - testMapReduceSort
> Exception: junit.framework.AssertionFailedError
> Failing tests:
> * TestMRServerPorts - testJobTrackerPorts
> * TestMRServerPorts - testTaskTrackerPorts
> * TestMiniMRTaskTempDir - testTaskTempDir
> Exception: java.io.IOException: Job failed!
> Failing tests:
> * TestMiniMRLocalFS - testWithLocal
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