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https://issues.apache.org/jira/browse/HADOOP-5114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12666680#action_12666680
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Doug Cutting commented on HADOOP-5114:
--------------------------------------
I think this shows that not many who use trunk also use Windows. That doesn't
mean that lots of folks who use releases don't use Windows. Before we consider
dropping Windows support we should probably poll core-user.
> 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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