Hadoop-Yarn-trunk-Java8 - Build # 490 - Failure

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See https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/490/

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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=768m; support was removed in 8.0
Running org.apache.hadoop.yarn.server.nodemanager.TestNodeManagerShutdown
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.02 sec - in org.apache.hadoop.yarn.server.nodemanager.TestNodeManagerShutdown

Results :

Tests in error: 
  TestNodeStatusUpdaterForLabels.testNodeStatusUpdaterForNodeLabels:268->NodeLabelTestBase.assertNLCollectionEquals:103 » NullPointer

Tests run: 384, Failures: 0, Errors: 1, Skipped: 17

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Apache Hadoop YARN ................................ SUCCESS [  3.659 s]
[INFO] Apache Hadoop YARN API ............................ SUCCESS [01:27 min]
[INFO] Apache Hadoop YARN Common ......................... SUCCESS [02:28 min]
[INFO] Apache Hadoop YARN Server ......................... SUCCESS [  0.077 s]
[INFO] Apache Hadoop YARN Server Common .................. SUCCESS [ 38.196 s]
[INFO] Apache Hadoop YARN NodeManager .................... FAILURE [08:38 min]
[INFO] Apache Hadoop YARN Web Proxy ...................... SKIPPED
[INFO] Apache Hadoop YARN ApplicationHistoryService ...... SKIPPED
[INFO] Apache Hadoop YARN ResourceManager ................ SKIPPED
[INFO] Apache Hadoop YARN Server Tests ................... SKIPPED
[INFO] Apache Hadoop YARN Client ......................... SKIPPED
[INFO] Apache Hadoop YARN SharedCacheManager ............. SKIPPED
[INFO] Apache Hadoop YARN Applications ................... SKIPPED
[INFO] Apache Hadoop YARN DistributedShell ............... SKIPPED
[INFO] Apache Hadoop YARN Unmanaged Am Launcher .......... SKIPPED
[INFO] Apache Hadoop YARN Site ........................... SKIPPED
[INFO] Apache Hadoop YARN Registry ....................... SKIPPED
[INFO] Apache Hadoop YARN Project ........................ SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 13:18 min
[INFO] Finished at: 2015-10-05T20:55:21+00:00
[INFO] Final Memory: 80M/1054M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.17:test (default-test) on project hadoop-yarn-server-nodemanager: There are test failures.
[ERROR] 
[ERROR] Please refer to /home/jenkins/jenkins-slave/workspace/Hadoop-Yarn-trunk-Java8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/target/surefire-reports for the individual test results.
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :hadoop-yarn-server-nodemanager
Build step 'Execute shell' marked build as failure
Archiving artifacts
Recording test results
Updating HDFS-9155
Sending e-mails to: yarn-dev@hadoop.apache.org
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any



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############################## FAILED TESTS (if any) ##############################
1 tests failed.
FAILED:  org.apache.hadoop.yarn.server.nodemanager.TestNodeStatusUpdaterForLabels.testNodeStatusUpdaterForNodeLabels

Error Message:
null

Stack Trace:
java.lang.NullPointerException: null
	at java.util.HashSet.<init>(HashSet.java:118)
	at org.apache.hadoop.yarn.nodelabels.NodeLabelTestBase.assertNLCollectionEquals(NodeLabelTestBase.java:103)
	at org.apache.hadoop.yarn.server.nodemanager.TestNodeStatusUpdaterForLabels.testNodeStatusUpdaterForNodeLabels(TestNodeStatusUpdaterForLabels.java:268)