[jira] [Commented] (YARN-4035) Some tests in TestRMAdminService fails with NPE
[ https://issues.apache.org/jira/browse/YARN-4035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14681252#comment-14681252 ] Rohith Sharma K S commented on YARN-4035: - bq. given the patch all happens in hadoop-common-project, I think we should move the JIRA from YARN to HADOOP. make sense, this fix is in Hadoop common, moving to HADOOP common project. > Some tests in TestRMAdminService fails with NPE > > > Key: YARN-4035 > URL: https://issues.apache.org/jira/browse/YARN-4035 > Project: Hadoop YARN > Issue Type: Bug >Affects Versions: 2.8.0 >Reporter: Rohith Sharma K S >Assignee: Gabor Liptak > Attachments: YARN-4035.1.patch > > > It is observed that after YARN-4019 some tests are failing in > TestRMAdminService with null pointer exceptions in build [build failure > |https://builds.apache.org/job/PreCommit-YARN-Build/8792/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt] > {noformat} > unning org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > Tests run: 19, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 11.541 sec > <<< FAILURE! - in > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > testModifyLabelsOnNodesWithDistributedConfigurationDisabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.132 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStop(ResourceManager.java:601) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stopActiveServices(ResourceManager.java:983) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:1038) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1085) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.AbstractService.close(AbstractService.java:250) > at > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testModifyLabelsOnNodesWithDistributedConfigurationDisabled(TestRMAdminService.java:824) > testRemoveClusterNodeLabelsWithDistributedConfigurationEnabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.121 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStop(ResourceManager.java:601) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stopActiveServices(ResourceManager.java:983) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:1038) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1085) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.AbstractService.close(AbstractService.java:250) > at > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testRemoveClusterNodeLabelsWithDistributedConfigurationEnabled(TestRMAdminService.java:867) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Commented] (YARN-4035) Some tests in TestRMAdminService fails with NPE
[ https://issues.apache.org/jira/browse/YARN-4035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14680939#comment-14680939 ] Gabor Liptak commented on YARN-4035: [~rohithsharma] That is my attempt to make this "state-friendly" ... If stop() happens before start completed, you would leave a thread behind. [~djp] The "proper way" would be to synchronize both start()/stop() (in particular if restart is an expectation). Would you like an updated patch implementing? > Some tests in TestRMAdminService fails with NPE > > > Key: YARN-4035 > URL: https://issues.apache.org/jira/browse/YARN-4035 > Project: Hadoop YARN > Issue Type: Bug >Affects Versions: 2.8.0 >Reporter: Rohith Sharma K S >Assignee: Gabor Liptak > Attachments: YARN-4035.1.patch > > > It is observed that after YARN-4019 some tests are failing in > TestRMAdminService with null pointer exceptions in build [build failure > |https://builds.apache.org/job/PreCommit-YARN-Build/8792/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt] > {noformat} > unning org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > Tests run: 19, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 11.541 sec > <<< FAILURE! - in > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > testModifyLabelsOnNodesWithDistributedConfigurationDisabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.132 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStop(ResourceManager.java:601) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stopActiveServices(ResourceManager.java:983) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:1038) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1085) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.AbstractService.close(AbstractService.java:250) > at > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testModifyLabelsOnNodesWithDistributedConfigurationDisabled(TestRMAdminService.java:824) > testRemoveClusterNodeLabelsWithDistributedConfigurationEnabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.121 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStop(ResourceManager.java:601) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stopActiveServices(ResourceManager.java:983) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:1038) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1085) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.AbstractService.close(AbstractService.java:250) > at > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testRemoveClusterNodeLabelsWithDistributedConfigurationEnabled(TestRMAdminService.java:867) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Commented] (YARN-4035) Some tests in TestRMAdminService fails with NPE
[ https://issues.apache.org/jira/browse/YARN-4035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14680331#comment-14680331 ] Junping Du commented on YARN-4035: -- Thanks [~gliptak] for working out a patch and [~rohithsharma] for the comments! Instead of adding "if (shouldRun)" to start monitorThread in start(), I think the right thing to do is set "shouldRun = true" in start(), so JvmPauseMonitor could be restarted after stop (or it cannot be restart again). In addition, given the patch all happens in hadoop-common-project, I think we should move the JIRA from YARN to HADOOP. > Some tests in TestRMAdminService fails with NPE > > > Key: YARN-4035 > URL: https://issues.apache.org/jira/browse/YARN-4035 > Project: Hadoop YARN > Issue Type: Bug >Affects Versions: 2.8.0 >Reporter: Rohith Sharma K S >Assignee: Gabor Liptak > Attachments: YARN-4035.1.patch > > > It is observed that after YARN-4019 some tests are failing in > TestRMAdminService with null pointer exceptions in build [build failure > |https://builds.apache.org/job/PreCommit-YARN-Build/8792/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt] > {noformat} > unning org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > Tests run: 19, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 11.541 sec > <<< FAILURE! - in > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > testModifyLabelsOnNodesWithDistributedConfigurationDisabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.132 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStop(ResourceManager.java:601) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stopActiveServices(ResourceManager.java:983) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:1038) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1085) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.AbstractService.close(AbstractService.java:250) > at > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testModifyLabelsOnNodesWithDistributedConfigurationDisabled(TestRMAdminService.java:824) > testRemoveClusterNodeLabelsWithDistributedConfigurationEnabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.121 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStop(ResourceManager.java:601) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stopActiveServices(ResourceManager.java:983) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:1038) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1085) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.AbstractService.close(AbstractService.java:250) > at > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testRemoveClusterNodeLabelsWithDistributedConfigurationEnabled(TestRMAdminService.java:867) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Commented] (YARN-4035) Some tests in TestRMAdminService fails with NPE
[ https://issues.apache.org/jira/browse/YARN-4035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14679627#comment-14679627 ] Rohith Sharma K S commented on YARN-4035: - thanks of the patch!! One comment, the below code modification is not required right {code} +if (shouldRun) { + monitorThread.start(); +} {code} > Some tests in TestRMAdminService fails with NPE > > > Key: YARN-4035 > URL: https://issues.apache.org/jira/browse/YARN-4035 > Project: Hadoop YARN > Issue Type: Bug >Affects Versions: 2.8.0 >Reporter: Rohith Sharma K S >Assignee: Gabor Liptak > Attachments: YARN-4035.1.patch > > > It is observed that after YARN-4019 some tests are failing in > TestRMAdminService with null pointer exceptions in build [build failure > |https://builds.apache.org/job/PreCommit-YARN-Build/8792/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt] > {noformat} > unning org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > Tests run: 19, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 11.541 sec > <<< FAILURE! - in > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > testModifyLabelsOnNodesWithDistributedConfigurationDisabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.132 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStop(ResourceManager.java:601) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stopActiveServices(ResourceManager.java:983) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:1038) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1085) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.AbstractService.close(AbstractService.java:250) > at > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testModifyLabelsOnNodesWithDistributedConfigurationDisabled(TestRMAdminService.java:824) > testRemoveClusterNodeLabelsWithDistributedConfigurationEnabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.121 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStop(ResourceManager.java:601) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stopActiveServices(ResourceManager.java:983) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:1038) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1085) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.AbstractService.close(AbstractService.java:250) > at > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testRemoveClusterNodeLabelsWithDistributedConfigurationEnabled(TestRMAdminService.java:867) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Commented] (YARN-4035) Some tests in TestRMAdminService fails with NPE
[ https://issues.apache.org/jira/browse/YARN-4035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14663118#comment-14663118 ] Hadoop QA commented on YARN-4035: - \\ \\ | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | pre-patch | 16m 42s | Pre-patch trunk compilation is healthy. | | {color:green}+1{color} | @author | 0m 0s | The patch does not contain any @author tags. | | {color:red}-1{color} | tests included | 0m 0s | The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. | | {color:green}+1{color} | javac | 7m 42s | There were no new javac warning messages. | | {color:green}+1{color} | javadoc | 9m 37s | There were no new javadoc warning messages. | | {color:green}+1{color} | release audit | 0m 23s | The applied patch does not increase the total number of release audit warnings. | | {color:green}+1{color} | checkstyle | 1m 5s | There were no new checkstyle issues. | | {color:green}+1{color} | whitespace | 0m 0s | The patch has no lines that end in whitespace. | | {color:green}+1{color} | install | 1m 21s | mvn install still works. | | {color:green}+1{color} | eclipse:eclipse | 0m 34s | The patch built with eclipse:eclipse. | | {color:green}+1{color} | findbugs | 1m 53s | The patch does not introduce any new Findbugs (version 3.0.0) warnings. | | {color:red}-1{color} | common tests | 22m 18s | Tests failed in hadoop-common. | | | | 61m 38s | | \\ \\ || Reason || Tests || | Failed unit tests | hadoop.ha.TestZKFailoverController | | | hadoop.net.TestNetUtils | \\ \\ || Subsystem || Report/Notes || | Patch URL | http://issues.apache.org/jira/secure/attachment/12749428/YARN-4035.1.patch | | Optional Tests | javadoc javac unit findbugs checkstyle | | git revision | trunk / 8f73bdd | | hadoop-common test log | https://builds.apache.org/job/PreCommit-YARN-Build/8800/artifact/patchprocess/testrun_hadoop-common.txt | | Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/8800/testReport/ | | Java | 1.7.0_55 | | uname | Linux asf906.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux | | Console output | https://builds.apache.org/job/PreCommit-YARN-Build/8800/console | This message was automatically generated. > Some tests in TestRMAdminService fails with NPE > > > Key: YARN-4035 > URL: https://issues.apache.org/jira/browse/YARN-4035 > Project: Hadoop YARN > Issue Type: Bug >Affects Versions: 2.8.0 >Reporter: Rohith Sharma K S >Assignee: Gabor Liptak > Attachments: YARN-4035.1.patch > > > It is observed that after YARN-4019 some tests are failing in > TestRMAdminService with null pointer exceptions in build [build failure > |https://builds.apache.org/job/PreCommit-YARN-Build/8792/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt] > {noformat} > unning org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > Tests run: 19, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 11.541 sec > <<< FAILURE! - in > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > testModifyLabelsOnNodesWithDistributedConfigurationDisabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.132 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStop(ResourceManager.java:601) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stopActiveServices(ResourceManager.java:983) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:1038) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1085) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.AbstractService.close(AbstractService.java:250) > at > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testModifyLabelsOnNodesWithDistributedConfigurationDisabled(TestRMAdminService.java:824) > testRemoveClusterNodeLabelsWithDistributedConfigurationEnabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.121 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86
[jira] [Commented] (YARN-4035) Some tests in TestRMAdminService fails with NPE
[ https://issues.apache.org/jira/browse/YARN-4035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14663094#comment-14663094 ] Bibin A Chundatt commented on YARN-4035: In {{JvmPauseMonitor}} {{monitorThread}} gets initialized only in RMActiveServices#serviceStart but in testcases we are not starting the same. One fix could be JvmPauseMonitor#stop {code} public void stop() { shouldRun = false; if (null != monitorThread) { monitorThread.interrupt(); try { monitorThread.join(); } catch (InterruptedException e) { Thread.currentThread().interrupt(); } } } {code} Thoughts? > Some tests in TestRMAdminService fails with NPE > > > Key: YARN-4035 > URL: https://issues.apache.org/jira/browse/YARN-4035 > Project: Hadoop YARN > Issue Type: Bug >Affects Versions: 2.8.0 >Reporter: Rohith Sharma K S >Assignee: Gabor Liptak > Attachments: YARN-4035.1.patch > > > It is observed that after YARN-4019 some tests are failing in > TestRMAdminService with null pointer exceptions in build [build failure > |https://builds.apache.org/job/PreCommit-YARN-Build/8792/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt] > {noformat} > unning org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > Tests run: 19, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 11.541 sec > <<< FAILURE! - in > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService > testModifyLabelsOnNodesWithDistributedConfigurationDisabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.132 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStop(ResourceManager.java:601) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stopActiveServices(ResourceManager.java:983) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:1038) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1085) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.AbstractService.close(AbstractService.java:250) > at > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testModifyLabelsOnNodesWithDistributedConfigurationDisabled(TestRMAdminService.java:824) > testRemoveClusterNodeLabelsWithDistributedConfigurationEnabled(org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService) > Time elapsed: 0.121 sec <<< ERROR! > java.lang.NullPointerException: null > at org.apache.hadoop.util.JvmPauseMonitor.stop(JvmPauseMonitor.java:86) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStop(ResourceManager.java:601) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stopActiveServices(ResourceManager.java:983) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:1038) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1085) > at > org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221) > at > org.apache.hadoop.service.AbstractService.close(AbstractService.java:250) > at > org.apache.hadoop.yarn.server.resourcemanager.TestRMAdminService.testRemoveClusterNodeLabelsWithDistributedConfigurationEnabled(TestRMAdminService.java:867) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)