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Hadoop QA commented on YARN-1821: --------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12634010/yarn-1821-1.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:red}-1 core tests{color}. The patch failed these unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager: org.apache.hadoop.yarn.server.resourcemanager.TestResourceTrackerService {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-YARN-Build/3319//testReport/ Console output: https://builds.apache.org/job/PreCommit-YARN-Build/3319//console This message is automatically generated. > NPE on registerNodeManager if the request has containers for UnmanagedAMs > ------------------------------------------------------------------------- > > Key: YARN-1821 > URL: https://issues.apache.org/jira/browse/YARN-1821 > Project: Hadoop YARN > Issue Type: Sub-task > Components: resourcemanager > Reporter: Karthik Kambatla > Assignee: Karthik Kambatla > Priority: Blocker > Attachments: yarn-1821-1.patch > > > On RM restart (or failover), NM re-registers with the RM. If it was running > containers for Unmanaged AMs, it runs into the following NPE: > {noformat} > Caused by: > org.apache.hadoop.ipc.RemoteException(java.lang.NullPointerException): > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceTrackerService.registerNodeManager(ResourceTrackerService.java:213) > at > org.apache.hadoop.yarn.server.api.impl.pb.service.ResourceTrackerPBServiceImpl.registerNodeManager(ResourceTrackerPBServiceImpl.java:54) > {noformat} -- This message was sent by Atlassian JIRA (v6.2#6252)