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https://issues.apache.org/jira/browse/YARN-3645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14544674#comment-14544674
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Gabor Liptak commented on YARN-3645:
------------------------------------
Would this configuration file with empty node considered valid?
In
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/AllocationFileLoaderService.java
there are 23 references to getFirstChild()
Should all of those throw AllocationConfigurationException when the data
element expected is not present?
> ResourceManager can't start success if attribute value of "aclSubmitApps" is
> null in fair-scheduler.xml
> --------------------------------------------------------------------------------------------------------
>
> Key: YARN-3645
> URL: https://issues.apache.org/jira/browse/YARN-3645
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler
> Affects Versions: 2.5.2
> Reporter: zhoulinlin
>
> The "aclSubmitApps" is configured in fair-scheduler.xml like below:
> <queue name="mr">
> <aclSubmitApps></aclSubmitApps>
> </queue>
> The resourcemanager log:
> 2015-05-14 12:59:48,623 INFO org.apache.hadoop.service.AbstractService:
> Service ResourceManager failed in state INITED; cause:
> org.apache.hadoop.service.ServiceStateException: java.io.IOException: Failed
> to initialize FairScheduler
> org.apache.hadoop.service.ServiceStateException: java.io.IOException: Failed
> to initialize FairScheduler
> at
> org.apache.hadoop.service.ServiceStateException.convert(ServiceStateException.java:59)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:172)
> at
> org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:493)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.createAndInitActiveServices(ResourceManager.java:920)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:240)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1159)
> Caused by: java.io.IOException: Failed to initialize FairScheduler
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.initScheduler(FairScheduler.java:1301)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.serviceInit(FairScheduler.java:1318)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> ... 7 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService.loadQueue(AllocationFileLoaderService.java:458)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService.reloadAllocations(AllocationFileLoaderService.java:337)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.initScheduler(FairScheduler.java:1299)
> ... 9 more
> 2015-05-14 12:59:48,623 INFO
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Transitioning
> to standby state
> 2015-05-14 12:59:48,623 INFO
> com.zte.zdh.platformplugin.factory.YarnPlatformPluginProxyFactory: plugin
> transitionToStandbyIn
> 2015-05-14 12:59:48,623 WARN org.apache.hadoop.service.AbstractService: When
> stopping the service ResourceManager : java.lang.NullPointerException
> java.lang.NullPointerException
> at
> com.zte.zdh.platformplugin.factory.YarnPlatformPluginProxyFactory.transitionToStandbyIn(YarnPlatformPluginProxyFactory.java:71)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToStandby(ResourceManager.java:997)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStop(ResourceManager.java:1058)
> at
> org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221)
> at
> org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:52)
> at
> org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:80)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:171)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1159)
> 2015-05-14 12:59:48,623 FATAL
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error starting
> ResourceManager
> org.apache.hadoop.service.ServiceStateException: java.io.IOException: Failed
> to initialize FairScheduler
> at
> org.apache.hadoop.service.ServiceStateException.convert(ServiceStateException.java:59)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:172)
> at
> org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:493)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.createAndInitActiveServices(ResourceManager.java:920)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:240)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1159)
> Caused by: java.io.IOException: Failed to initialize FairScheduler
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.initScheduler(FairScheduler.java:1301)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.serviceInit(FairScheduler.java:1318)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> ... 7 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService.loadQueue(AllocationFileLoaderService.java:458)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService.reloadAllocations(AllocationFileLoaderService.java:337)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.initScheduler(FairScheduler.java:1299)
> ... 9 more
> 2015-05-14 12:59:48,624 INFO
> com.zte.zdh.platformplugin.factory.YarnPlatformPluginProxyFactory: plugin
> shutdown
> 2015-05-14 12:59:48,624 ERROR
> org.apache.hadoop.yarn.YarnUncaughtExceptionHandler: Thread
> Thread[main,5,main] threw an Exception.
> java.lang.NullPointerException
> at
> com.zte.zdh.platformplugin.factory.YarnPlatformPluginProxyFactory.shutdown(YarnPlatformPluginProxyFactory.java:63)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1167)
> 2015-05-14 12:59:48,627 INFO
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: SHUTDOWN_MSG:
> the reason:
> The method loadQueue in AllocationFileLoaderService.java :
> else if ("aclSubmitApps".equals(field.getTagName())) {
> String text = ((Text)field.getFirstChild()).getData();
> acls.put(QueueACL.SUBMIT_APPLICATIONS, new AccessControlList(text));
> }
> We should check whether getFirstChild() is null.
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