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Hadoop QA commented on YARN-502: -------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12587280/YARN-502-trunk-2.patch against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 1 new or modified test files. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. The javadoc tool did not generate any warning messages. {color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 1.3.9) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 core tests{color}. The patch passed unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager. {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-YARN-Build/1193//testReport/ Console output: https://builds.apache.org/job/PreCommit-YARN-Build/1193//console This message is automatically generated. > RM crash with NPE on NODE_REMOVED event > --------------------------------------- > > Key: YARN-502 > URL: https://issues.apache.org/jira/browse/YARN-502 > Project: Hadoop YARN > Issue Type: Sub-task > Affects Versions: 2.0.3-alpha > Reporter: Lohit Vijayarenu > Assignee: Mayank Bansal > Attachments: YARN-502-trunk-1.patch, YARN-502-trunk-2.patch > > > While running some test and adding/removing nodes, we see RM crashed with the > below exception. We are testing with fair scheduler and running > hadoop-2.0.3-alpha > {noformat} > 2013-03-22 18:54:27,015 INFO > org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl: Deactivating > Node YYYY:55680 as it is now LOST > 2013-03-22 18:54:27,015 INFO > org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl: YYYY:55680 > Node Transitioned from UNHEALTHY to LOST > 2013-03-22 18:54:27,015 FATAL > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in > handling event type NODE_REMOVED to the scheduler > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.removeNode(FairScheduler.java:619) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:856) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:98) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:375) > at java.lang.Thread.run(Thread.java:662) > 2013-03-22 18:54:27,016 INFO > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Exiting, bbye.. > 2013-03-22 18:54:27,020 INFO org.mortbay.log: Stopped > SelectChannelConnector@XXXX:50030 > {noformat} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira