hoelog created YARN-3001:
----------------------------

             Summary: RM dies because of divide by zero
                 Key: YARN-3001
                 URL: https://issues.apache.org/jira/browse/YARN-3001
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.5.1
            Reporter: hoelog


RM dies because of divide by zero exception.

{code}
2014-12-31 21:27:05,022 FATAL 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in 
handling event type NODE_UPDATE to the scheduler
java.lang.ArithmeticException: / by zero
    at 
org.apache.hadoop.yarn.util.resource.DefaultResourceCalculator.computeAvailableContainers(DefaultResourceCalculator.java:37)
    at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainer(LeafQueue.java:1332)
    at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignOffSwitchContainers(LeafQueue.java:1218)
    at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainersOnNode(LeafQueue.java:1177)
    at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainers(LeafQueue.java:877)
    at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainersToChildQueues(ParentQueue.java:656)
    at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainers(ParentQueue.java:570)
    at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.allocateContainersToNode(CapacityScheduler.java:851)
    at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:900)
    at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:98)
    at 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:599)
    at java.lang.Thread.run(Thread.java:745)
2014-12-31 21:27:05,023 INFO 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Exiting, bbye..

{code}



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