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Hadoop QA commented on YARN-1986: --------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12643895/YARN-1986-3.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}. There were no new javadoc 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/3716//testReport/ Console output: https://builds.apache.org/job/PreCommit-YARN-Build/3716//console This message is automatically generated. > After upgrade from 2.2.0 to 2.4.0, NPE on first job start. > ---------------------------------------------------------- > > Key: YARN-1986 > URL: https://issues.apache.org/jira/browse/YARN-1986 > Project: Hadoop YARN > Issue Type: Bug > Affects Versions: 2.4.0 > Reporter: Jon Bringhurst > Assignee: Hong Zhiguo > Attachments: YARN-1986-2.patch, YARN-1986-3.patch, > YARN-1986-testcase.patch, YARN-1986.patch > > > After upgrade from 2.2.0 to 2.4.0, NPE on first job start. > After RM was restarted, the job runs without a problem. > {noformat} > 19:11:13,441 FATAL ResourceManager:600 - Error in handling event type > NODE_UPDATE to the scheduler > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.assignContainers(FifoScheduler.java:462) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.nodeUpdate(FifoScheduler.java:714) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.handle(FifoScheduler.java:743) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.handle(FifoScheduler.java:104) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:591) > at java.lang.Thread.run(Thread.java:744) > 19:11:13,443 INFO ResourceManager:604 - Exiting, bbye.. > {noformat} -- This message was sent by Atlassian JIRA (v6.2#6252)