[ https://issues.apache.org/jira/browse/MAPREDUCE-3530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13167363#comment-13167363 ]
Karam Singh commented on MAPREDUCE-3530: ---------------------------------------- Vinod was aware of it and was working on it > Sometimes NODE_UPDATE to the scheduler throws NPE causes scheduling to stop > --------------------------------------------------------------------------- > > Key: MAPREDUCE-3530 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-3530 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: mrv2, resourcemanager, scheduler > Reporter: Karam Singh > Priority: Blocker > > Sometimes NODE_UPDATE to the scheduler throws NPE causes scheduling to stop > but ResourceManager keeps on running. > I have been observing intermitently for last 3 weeks. > But with latest svn code. I tried to run sort twice and both times Job got > stuck due to NPE. > {code} > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApp.containerLaunchedOnNode(SchedulerApp.java:181) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.containerLaunchedOnNode(CapacityScheduler.java:596) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.nodeUpdate(CapacityScheduler.java:539) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:617) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:77) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:294) > at java.lang.Thread.run(Thread.java:619) > {code} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira