Karthik Kambatla created YARN-3762:
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Summary: FairScheduler: CME on FSParentQueue#getQueueUserAclInfo
Key: YARN-3762
URL: https://issues.apache.org/jira/browse/YARN-3762
Project: Hadoop YARN
Issue Type: Bug
Components: fairscheduler
Affects Versions: 2.7.0
Reporter: Karthik Kambatla
Assignee: Karthik Kambatla
Priority: Blocker
In our testing, we ran into the following ConcurrentModificationException:
{noformat}
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)
{noformat}
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