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  1. Hadoop YARN
  2. YARN-3762

FairScheduler: CME on FSParentQueue#getQueueUserAclInfo

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Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • 2.7.0
    • 2.8.0, 3.0.0-alpha1
    • fairscheduler
    • None
    • Reviewed

    Description

      In our testing, we ran into the following ConcurrentModificationException:

      halxg.cloudera.com:8042, nodeRackName/rackvb07, nodeNumContainers0
      15/05/22 13:02:22 INFO distributedshell.Client: Queue info, queueName=root.testyarnpool3, queueCurrentCapacity=0.0, queueMaxCapacity=-1.0, queueApplicationCount=0, queueChildQueueCount=0
      15/05/22 13:02:22 FATAL distributedshell.Client: Error running Client
      java.util.ConcurrentModificationException: java.util.ConcurrentModificationException
      	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
      	at java.util.ArrayList$Itr.next(ArrayList.java:851)
      	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSParentQueue.getQueueUserAclInfo(FSParentQueue.java:155)
      	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.getQueueUserAclInfo(FairScheduler.java:1395)
      	at org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.getQueueUserAcls(ClientRMService.java:880)
      

      Attachments

        1. yarn-3762-1.patch
          12 kB
          Karthik Kambatla
        2. yarn-3762-1.patch
          66 kB
          Karthik Kambatla
        3. yarn-3762-2.patch
          12 kB
          Karthik Kambatla

        Activity

          People

            kasha Karthik Kambatla
            kasha Karthik Kambatla
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            Dates

              Created:
              Updated:
              Resolved: