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From "Tony Reix (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11617) Several tests are not stable (on OpenJDK / x86_64 / RHEL 7.1)
Date Wed, 25 Feb 2015 16:20:06 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14336689#comment-14336689
] 

Tony Reix commented on HADOOP-11617:
------------------------------------

Details of (random) errors.
I've extracted these data from the 16 log files. As explained before, these issues appear
randomly.

Running org.apache.hadoop.crypto.key.kms.server.TestKMS
Tests run: 18, Failures: 3, Errors: 1, Skipped: 0, Time elapsed: 26.717 sec <<< FAILURE!
- in org.apache.hadoop.crypto.key.kms.server.TestKMS
testKMSRestartKerberosAuth(org.apache.hadoop.crypto.key.kms.server.TestKMS)  Time elapsed:
3.791 sec  <<< ERROR!
java.io.IOException: org.apache.hadoop.security.authentication.client.AuthenticationException:
GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos
tgt)
        at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)

Running org.apache.hadoop.ha.TestZKFailoverControllerStress
Tests run: 3, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 83.339 sec <<< FAILURE!
- in org.apache.hadoop.ha.TestZKFailoverControllerStress
testExpireBackAndForth(org.apache.hadoop.ha.TestZKFailoverControllerStress)  Time elapsed:
18.932 sec  <<< ERROR!
org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode
        at org.apache.zookeeper.server.DataTree.getData(DataTree.java:648)

Running org.apache.hadoop.hdfs.TestDataTransferKeepalive
Tests run: 4, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 16.459 sec <<< FAILURE!
- in org.apache.hadoop.hdfs.TestDataTransferKeepalive
testClientResponsesKeepAliveTimeout(org.apache.hadoop.hdfs.TestDataTransferKeepalive)  Time
elapsed: 0.678 sec  <<< FAILURE!
java.lang.AssertionError: Expected 0 xceivers, found 2
        at org.junit.Assert.fail(Assert.java:88)
        at org.apache.hadoop.hdfs.TestDataTransferKeepalive.assertXceiverCount(TestDataTransferKeepalive.java:251)

Running org.apache.hadoop.hdfs.TestEncryptionZones
Tests run: 18, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 160.925 sec <<<
FAILURE! - in org.apache.hadoop.hdfs.TestEncryptionZones
testStartFileRetry(org.apache.hadoop.hdfs.TestEncryptionZones)  Time elapsed: 120.598 sec
 <<< ERROR!
java.lang.Exception: test timed out after 120000 milliseconds
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)

Running org.apache.hadoop.hdfs.TestHFlush
Tests run: 9, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 24.244 sec <<< FAILURE!
- in org.apache.hadoop.hdfs.TestHFlush
testHFlushInterrupted(org.apache.hadoop.hdfs.TestHFlush)  Time elapsed: 0.659 sec  <<<
ERROR!
java.io.EOFException: End of file reached before reading fully.
        at org.apache.hadoop.fs.FSInputStream.readFully(FSInputStream.java:80)

Running org.apache.hadoop.hdfs.qjournal.TestSecureNNWithQJM
Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 26.835 sec <<< FAILURE!
- in org.apache.hadoop.hdfs.qjournal.TestSecureNNWithQJM
testSecondaryNameNodeHttpAddressNotNeeded(org.apache.hadoop.hdfs.qjournal.TestSecureNNWithQJM)
 Time elapsed: 1.964 sec  <<< ERROR!
org.apache.hadoop.hdfs.server.namenode.EditLogInputException: Error replaying edit log at
offset 0.  Expected transaction ID was 1
        at org.apache.hadoop.hdfs.server.namenode.RedundantEditLogInputStream.nextOp(RedundantEditLogInputStream.java:194)

Running org.apache.hadoop.hdfs.server.balancer.TestBalancer
Tests run: 22, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 267.63 sec <<< FAILURE!
- in org.apache.hadoop.hdfs.server.balancer.TestBalancer
testUnknownDatanode(org.apache.hadoop.hdfs.server.balancer.TestBalancer)  Time elapsed: 64.51
sec  <<< FAILURE!
java.lang.AssertionError: expected:<0> but was:<-3>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:743)
        at org.junit.Assert.assertEquals(Assert.java:118)
        at org.junit.Assert.assertEquals(Assert.java:555)
        at org.junit.Assert.assertEquals(Assert.java:542)
        at org.apache.hadoop.hdfs.server.balancer.TestBalancer.testUnknownDatanode(TestBalancer.java:806)

Running org.apache.hadoop.hdfs.server.namenode.TestCacheDirectives
Tests run: 12, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 76.784 sec <<< FAILURE!
- in org.apache.hadoop.hdfs.server.namenode.TestCacheDirectives
testExceedsCapacity(org.apache.hadoop.hdfs.server.namenode.TestCacheDirectives)  Time elapsed:
7.662 sec  <<< FAILURE!
java.lang.AssertionError: Pending cached list of 127.0.0.1:45330 is not empty, [{blockId=1073741841,
replication=1, mark=true}]
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.apache.hadoop.hdfs.server.namenode.TestCacheDirectives.checkPendingCachedEmpty(TestCacheDirectives.java:1420)

Running org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing
Tests run: 6, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 40.335 sec <<< FAILURE!
- in org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing
testQueueingWithAppend(org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing)  Time elapsed:
3.589 sec  <<< FAILURE!
java.lang.AssertionError: expected:<21> but was:<20>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:743)
        at org.junit.Assert.assertEquals(Assert.java:118)
        at org.junit.Assert.assertEquals(Assert.java:555)
        at org.junit.Assert.assertEquals(Assert.java:542)
        at org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing.testQueueingWithAppend(TestDNFencing.java:456)

hdfs.util.TestByteArrayManager : Results of test was not captured by Maven once.

Running org.apache.hadoop.hdfs.web.TestWebHdfsFileSystemContract
Tests run: 39, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 28.597 sec <<< FAILURE!
- in org.apache.hadoop.hdfs.web.TestWebHdfsFileSystemContract
testGetFileBlockLocations(org.apache.hadoop.hdfs.web.TestWebHdfsFileSystemContract)  Time
elapsed: 0.058 sec  <<< FAILURE!
junit.framework.ComparisonFailure: expected:<0,2048,127.0.0.1[,127.0.0.1]> but was:<0,2048,127.0.0.1[]>
        at junit.framework.Assert.assertEquals(Assert.java:100)
        at junit.framework.Assert.assertEquals(Assert.java:107)
        at junit.framework.TestCase.assertEquals(TestCase.java:269)
        at org.apache.hadoop.hdfs.web.TestWebHdfsFileSystemContract.testGetFileBlockLocations(TestWebHdfsFileSystemContract.java:141)

Running org.apache.hadoop.ipc.TestDecayRpcScheduler
Tests run: 9, Failures: 2, Errors: 0, Skipped: 0, Time elapsed: 1.685 sec <<< FAILURE!
- in org.apache.hadoop.ipc.TestDecayRpcScheduler
testAccumulate(org.apache.hadoop.ipc.TestDecayRpcScheduler)  Time elapsed: 0.064 sec  <<<
FAILURE!
java.lang.AssertionError: expected:<3> but was:<2>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:743)
        at org.junit.Assert.assertEquals(Assert.java:118)
        at org.junit.Assert.assertEquals(Assert.java:555)
        at org.junit.Assert.assertEquals(Assert.java:542)
        at org.apache.hadoop.ipc.TestDecayRpcScheduler.testAccumulate(TestDecayRpcScheduler.java:136)

testPriority(org.apache.hadoop.ipc.TestDecayRpcScheduler)  Time elapsed: 0.041 sec  <<<
FAILURE!
java.lang.AssertionError: expected:<0> but was:<1>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:743)
        at org.junit.Assert.assertEquals(Assert.java:118)
        at org.junit.Assert.assertEquals(Assert.java:555)
        at org.junit.Assert.assertEquals(Assert.java:542)
        at org.apache.hadoop.ipc.TestDecayRpcScheduler.testPriority(TestDecayRpcScheduler.java:199)

Running org.apache.hadoop.mapred.TestSpecialCharactersInOutputPath
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 39.434 sec <<< FAILURE!
- in org.apache.hadoop.mapred.TestSpecialCharactersInOutputPath
testJobWithDFS(org.apache.hadoop.mapred.TestSpecialCharactersInOutputPath)  Time elapsed:
39.105 sec  <<< ERROR!
java.io.IOException: Job failed!
        at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:836)
        at org.apache.hadoop.mapred.TestSpecialCharactersInOutputPath.launchJob(TestSpecialCharactersInOutputPath.java:84)
        at org.apache.hadoop.mapred.TestSpecialCharactersInOutputPath.testJobWithDFS(TestSpecialCharactersInOutputPath.java:115)

Running org.apache.hadoop.mapred.gridmix.TestRecordFactory
Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 1.03 sec <<< FAILURE!
- in org.apache.hadoop.mapred.gridmix.TestRecordFactory
testAvg(org.apache.hadoop.mapred.gridmix.TestRecordFactory)  Time elapsed: 0.575 sec  <<<
FAILURE!
java.lang.AssertionError: expected:<31292> but was:<46938>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:743)
        at org.junit.Assert.assertEquals(Assert.java:118)
        at org.junit.Assert.assertEquals(Assert.java:555)
        at org.junit.Assert.assertEquals(Assert.java:542)
        at org.apache.hadoop.mapred.gridmix.TestRecordFactory.testFactory(TestRecordFactory.java:56)
        at org.apache.hadoop.mapred.gridmix.TestRecordFactory.testAvg(TestRecordFactory.java:72)

Running org.apache.hadoop.mapreduce.lib.db.TestDbClasses
Tests run: 4, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 1.692 sec <<< FAILURE!
- in org.apache.hadoop.mapreduce.lib.db.TestDbClasses
testDataDrivenDBInputFormat(org.apache.hadoop.mapreduce.lib.db.TestDbClasses)  Time elapsed:
1.017 sec  <<< ERROR!
java.lang.Exception: test timed out after 1000 milliseconds
        at org.apache.hadoop.mapreduce.lib.db.DBConfiguration.setInputQuery(DBConfiguration.java:205)
        at org.apache.hadoop.mapreduce.lib.db.DBInputFormat.setInput(DBInputFormat.java:349)
        at org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat.setInput(DataDrivenDBInputFormat.java:327)
        at org.apache.hadoop.mapreduce.lib.db.TestDbClasses.testDataDrivenDBInputFormat(TestDbClasses.java:75)

Running org.apache.hadoop.mapreduce.v2.app.TestKill
Tests run: 5, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 20.401 sec <<< FAILURE!
- in org.apache.hadoop.mapreduce.v2.app.TestKill
testKillTask(org.apache.hadoop.mapreduce.v2.app.TestKill)  Time elapsed: 10.49 sec  <<<
FAILURE!
java.lang.AssertionError: Job state is not correct (timedout) expected:<SUCCEEDED> but
was:<ERROR>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:743)
        at org.junit.Assert.assertEquals(Assert.java:118)
        at org.apache.hadoop.mapreduce.v2.app.MRApp.waitForState(MRApp.java:410)
        at org.apache.hadoop.mapreduce.v2.app.TestKill.testKillTask(TestKill.java:119)

Running org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl
Tests run: 9, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 1.979 sec <<< FAILURE!
- in org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl
testMultiThreadedPublish(org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl)  Time elapsed:
0.071 sec  <<< FAILURE!
java.lang.AssertionError: Passed
Metric not collected!
Passed
Passed
Passed
Passed
Passed
Passed
Passed
Passed
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl.testMultiThreadedPublish(TestMetricsSystemImpl.java:235)

Running org.apache.hadoop.security.token.delegation.TestZKDelegationTokenSecretManager
Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 5.835 sec <<< FAILURE!
- in org.apache.hadoop.security.token.delegation.TestZKDelegationTokenSecretManager
testCancelTokenSingleManager(org.apache.hadoop.security.token.delegation.TestZKDelegationTokenSecretManager)
 Time elapsed: 1.098 sec  <<< FAILURE!
java.lang.AssertionError: Expected InvalidToken
        at org.junit.Assert.fail(Assert.java:88)
        at org.apache.hadoop.security.token.delegation.TestZKDelegationTokenSecretManager.testCancelTokenSingleManager(TestZKDelegationTokenSecretManager.java:143)

Running org.apache.hadoop.tracing.TestTracing
Tests run: 5, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 6.007 sec <<< FAILURE!
- in org.apache.hadoop.tracing.TestTracing
testReadWithoutTraceHooks(org.apache.hadoop.tracing.TestTracing)  Time elapsed: 0.16 sec 
<<< FAILURE!
java.lang.AssertionError: null
        at org.junit.Assert.fail(Assert.java:86)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.junit.Assert.assertTrue(Assert.java:52)
        at org.apache.hadoop.tracing.TestTracing.testReadWithoutTraceHooks(TestTracing.java:215)

Running org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell
Tests run: 11, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 385.288 sec <<<
FAILURE! - in org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell
testDSShellWithCustomLogPropertyFile(org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell)
 Time elapsed: 32.336 sec  <<< FAILURE!
java.lang.AssertionError: null
        at org.junit.Assert.fail(Assert.java:86)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.junit.Assert.assertTrue(Assert.java:52)
        at org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell.verifyContainerLog(TestDistributedShell.java:849)
        at org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell.testDSShellWithCustomLogPropertyFile(TestDistributedShell.java:495)

yarn.client.TestResourceTrackerOnHA  : Result of tests was not captured by Maven, 2 times
out of 16 runs.

Running org.apache.hadoop.yarn.client.api.impl.TestNMClient
Tests run: 2, Failures: 2, Errors: 0, Skipped: 0, Time elapsed: 56.325 sec <<< FAILURE!
- in org.apache.hadoop.yarn.client.api.impl.TestNMClient
testNMClient(org.apache.hadoop.yarn.client.api.impl.TestNMClient)  Time elapsed: 28.501 sec
 <<< FAILURE!
java.lang.AssertionError: null
        at org.junit.Assert.fail(Assert.java:86)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.junit.Assert.assertTrue(Assert.java:52)
        at org.apache.hadoop.yarn.client.api.impl.TestNMClient.testGetContainerStatus(TestNMClient.java:386)
        at org.apache.hadoop.yarn.client.api.impl.TestNMClient.testContainerManagement(TestNMClient.java:348)
        at org.apache.hadoop.yarn.client.api.impl.TestNMClient.testNMClient(TestNMClient.java:227)

testNMClientNoCleanupOnStop(org.apache.hadoop.yarn.client.api.impl.TestNMClient)  Time elapsed:
27.69 sec  <<< FAILURE!
java.lang.AssertionError: null
        at org.junit.Assert.fail(Assert.java:86)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.junit.Assert.assertTrue(Assert.java:52)
        at org.apache.hadoop.yarn.client.api.impl.TestNMClient.testGetContainerStatus(TestNMClient.java:386)
        at org.apache.hadoop.yarn.client.api.impl.TestNMClient.testContainerManagement(TestNMClient.java:348)
        at org.apache.hadoop.yarn.client.api.impl.TestNMClient.testNMClientNoCleanupOnStop(TestNMClient.java:210)

Running org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.TestLogAggregationService
Tests run: 16, Failures: 2, Errors: 0, Skipped: 0, Time elapsed: 68.304 sec <<< FAILURE!
- in org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.TestLogAggregationService
testLogAggregationServiceWithRetention(org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.TestLogAggregationService)
 Time elapsed: 25.703 sec  <<< FAILURE!
java.lang.AssertionError: null
        at org.junit.Assert.fail(Assert.java:86)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.junit.Assert.assertTrue(Assert.java:52)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.TestLogAggregationService.testLogAggregationService(TestLogAggregationService.java:1367)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.TestLogAggregationService.testLogAggregationServiceWithRetention(TestLogAggregationService.java:1295)

testLogAggregationServiceWithInterval(org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.TestLogAggregationService)
 Time elapsed: 25.628 sec  <<< FAILURE!
java.lang.AssertionError: null
        at org.junit.Assert.fail(Assert.java:86)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.junit.Assert.assertTrue(Assert.java:52)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.TestLogAggregationService.testLogAggregationService(TestLogAggregationService.java:1370)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.TestLogAggregationService.testLogAggregationServiceWithInterval(TestLogAggregationService.java:1290)

yarn.server.resourcemanager.TestApplicationMasterService : Result of test was lost by Maven
once.


Running org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart
Tests run: 46, Failures: 3, Errors: 0, Skipped: 0, Time elapsed: 386.921 sec <<<
FAILURE! - in org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart
testQueueMetricsOnRMRestart[0](org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart)
 Time elapsed: 9.048 sec  <<< FAILURE!
java.lang.AssertionError: expected:<2> but was:<1>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:743)
        at org.junit.Assert.assertEquals(Assert.java:118)
        at org.junit.Assert.assertEquals(Assert.java:555)
        at org.junit.Assert.assertEquals(Assert.java:542)
        at org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.assertQueueMetrics(TestRMRestart.java:1817)
        at org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.testQueueMetricsOnRMRestart(TestRMRestart.java:1792)

testRMRestartWaitForPreviousAMToFinish[0](org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart)
 Time elapsed: 26.343 sec  <<< FAILURE!
java.lang.AssertionError: expected:<4> but was:<3>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:743)
        at org.junit.Assert.assertEquals(Assert.java:118)
        at org.junit.Assert.assertEquals(Assert.java:555)
        at org.junit.Assert.assertEquals(Assert.java:542)
        at org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.testRMRestartWaitForPreviousAMToFinish(TestRMRestart.java:584)

testRMRestartGetApplicationList[1](org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart)
 Time elapsed: 23.282 sec  <<< FAILURE!
org.mockito.exceptions.verification.WantedButNotInvoked:
Wanted but not invoked:
rMAppManager.logApplicationSummary(
    isA(org.apache.hadoop.yarn.api.records.ApplicationId)
);
-> at org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.testRMRestartGetApplicationList(TestRMRestart.java:957)

However, there were other interactions with this mock:
-> at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.recover(ResourceManager.java:1192)
-> at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.recover(ResourceManager.java:1192)
-> at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.recover(ResourceManager.java:1192)
-> at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.recover(ResourceManager.java:1192)

        at org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.testRMRestartGetApplicationList(TestRMRestart.java:957)


Running org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions
Tests run: 42, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 3.845 sec <<< FAILURE!
- in org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions
testAppRunningKill[1](org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions)
 Time elapsed: 0.038 sec  <<< FAILURE!
java.lang.AssertionError: application finish time is not greater then 0
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions.assertTimesAtFinish(TestRMAppTransitions.java:322)
        at org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions.assertKilled(TestRMAppTransitions.java:337)
        at org.apache.hadoop.yarn.server.resourcemanager.rmapp.TestRMAppTransitions.testAppRunningKill(TestRMAppTransitions.java:731)

Running org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler
Tests run: 30, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 101.712 sec <<<
FAILURE! - in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler
testPreemptionInfo(org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler)
 Time elapsed: 48.352 sec  <<< FAILURE!
java.lang.AssertionError: AppAttempt state is not correct (timedout) expected:<ALLOCATED>
but was:<SCHEDULED>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:743)
        at org.junit.Assert.assertEquals(Assert.java:118)
        at org.apache.hadoop.yarn.server.resourcemanager.MockAM.waitForState(MockAM.java:86)
        at org.apache.hadoop.yarn.server.resourcemanager.MockRM.sendAMLaunched(MockRM.java:496)
        at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler.launchAM(TestCapacityScheduler.java:845)
        at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler.testPreemptionInfo(TestCapacityScheduler.java:1054)


Running org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestSchedulingPolicy
Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 1.128 sec <<< FAILURE!
- in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestSchedulingPolicy
testIsApplicableTo(org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestSchedulingPolicy)
 Time elapsed: 1.012 sec  <<< ERROR!
java.lang.Exception: test timed out after 1000 milliseconds
        at java.io.UnixFileSystem.getBooleanAttributes0(Native Method)
        at java.io.UnixFileSystem.getBooleanAttributes(UnixFileSystem.java:242)
        at java.io.File.exists(File.java:813)
        at sun.misc.URLClassPath$FileLoader.getResource(URLClassPath.java:1080)
        at sun.misc.URLClassPath.getResource(URLClassPath.java:199)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:358)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:191)

yarn.server.resourcemanager.webapp.TestRMWebappAuthentication : Results of test was not captured
by Maven once.

> Several tests are not stable (on OpenJDK / x86_64 / RHEL 7.1)
> -------------------------------------------------------------
>
>                 Key: HADOOP-11617
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11617
>             Project: Hadoop Common
>          Issue Type: Bug
>         Environment: RHEL 7.1 / x86_64
>            Reporter: Tony Reix
>
> I'm now porting Hadoop 2.4.1 on PPC64 HW.
> In order to have an idea about the stability of the tests, I've run several times all
Hadoop tests in a RHEL 7.1 / x86_64 / OpenJDK environment.
> I've run it 12 times, for now, on the EXACT same environment.
> Using some tool, I have extracted the list of tests that do not always produce the same
results, listed below, showing some test unstability.
> I 'm now doing the same for version 2.6.0 on OpenJDK/Ubuntu/x86_64.
> Report gives:
> test-name N: T F E S |
> where:
> - N is the number of the test log file
> - and:
> T: Tests run
> F: Failure
> E: Error
> S: Skipped
> As an example (see below for full data):
> hdfs.server.datanode.TestDeleteBlockPool                      0:    2   0   0   0 |
> ........
> hdfs.server.datanode.TestDeleteBlockPool                      4:    2   0   1   0 |
> ........
> hdfs.server.datanode.TestDeleteBlockPool                     11:    2   0   0   0 |
> means that this test, out of 12 runs, had an error once, with 0 Failure and 0 Skipped
test.



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