[YARN-1243] ResourceManager: Error in handling event type NODE_UPDATE to the scheduler - NPE at SchedulerApp.java:411

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.8
• Fix Version/s: 0.23.10
• Component/s: capacityscheduler

Environment

RHEL - 6.4, Hadoop 0.23.8

• Target Version/s: 0.23.10
• Assignee: Jason Darrell Lowe
• Reporter: Sanjay Upadhyay
• Created: 26/Sep/13 05:31
• Updated: 10/Dec/13 14:55
• Resolved: 26/Sep/13 20:29

Description

2013-09-26 03:25:02,262 [ResourceManager Event Processor] FATAL org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in handling event type NODE_UPDATE to the scheduler
java.lang.NullPointerException
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApp.unreserve(SchedulerApp.java:411)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.unreserve(LeafQueue.java:1333)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainer(LeafQueue.java:1261)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignOffSwitchContainers(LeafQueue.java:1137)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainersOnNode(LeafQueue.java:1092)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignReservedContainer(LeafQueue.java:887)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainers(LeafQueue.java:788)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.nodeUpdate(CapacityScheduler.java:594)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:656)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:80)
at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:340)
at java.lang.Thread.run(Thread.java:722)

Yarn Resource manager exits at this NPE

Issue Links

• relates to: YARN-845 RM crash with NPE on NODE_UPDATE