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From "Nishan Shetty (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2340) NPE thrown when RM restart after queue is STOPPED
Date Wed, 23 Jul 2014 15:18:39 GMT
Nishan Shetty created YARN-2340:
-----------------------------------

             Summary: NPE thrown when RM restart after queue is STOPPED
                 Key: YARN-2340
                 URL: https://issues.apache.org/jira/browse/YARN-2340
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager, scheduler
    Affects Versions: 2.4.1
         Environment: Capacityscheduler with Queue a, b

            Reporter: Nishan Shetty
            Priority: Critical


While job is in progress make Queue  state as STOPPED and then restart RM 

Observe that standby RM fails to come up as acive throwing below NPE

2014-07-23 18:43:24,432 INFO org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl:
appattempt_1406116264351_0014_000002 State change from NEW to SUBMITTED
2014-07-23 18:43:24,433 FATAL org.apache.hadoop.yarn.server.resourcemanager.ResourceManager:
Error in handling event type APP_ATTEMPT_ADDED to the scheduler
java.lang.NullPointerException
 at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.addApplicationAttempt(CapacityScheduler.java:568)
 at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:916)
 at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:101)
 at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:602)
 at java.lang.Thread.run(Thread.java:662)
2014-07-23 18:43:24,434 INFO org.apache.hadoop.yarn.server.resourcemanager.ResourceManager:
Exiting, bbye..





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