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Hudson commented on YARN-3222: ------------------------------ FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #113 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/113/]) YARN-3222. Fixed NPE on RMNodeImpl#ReconnectNodeTransition when a node is reconnected with a different port. Contributed by Rohith Sharmaks (jianhe: rev b2f1ec312ee431aef762cfb49cb29cd6f4661e86) * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/MockNM.java > RMNodeImpl#ReconnectNodeTransition should send scheduler events in sequential > order > ----------------------------------------------------------------------------------- > > Key: YARN-3222 > URL: https://issues.apache.org/jira/browse/YARN-3222 > Project: Hadoop YARN > Issue Type: Bug > Components: resourcemanager > Affects Versions: 2.6.0 > Reporter: Rohith > Assignee: Rohith > Priority: Critical > Fix For: 2.7.0 > > Attachments: 0001-YARN-3222.patch, 0002-YARN-3222.patch, > 0003-YARN-3222.patch, 0004-YARN-3222.patch, 0005-YARN-3222.patch > > > When a node is reconnected,RMNodeImpl#ReconnectNodeTransition notifies the > scheduler in a events node_added,node_removed or node_resource_update. These > events should be notified in an sequential order i.e node_added event and > next node_resource_update events. > But if the node is reconnected with different http port, the oder of > scheduler events are node_removed --> node_resource_update --> node_added > which causes scheduler does not find the node and throw NPE and RM exit. > Node_Resource_update event should be always should be triggered via > RMNodeEventType.RESOURCE_UPDATE -- This message was sent by Atlassian JIRA (v6.3.4#6332)