[ https://issues.apache.org/jira/browse/YARN-3762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karthik Kambatla updated YARN-3762: ----------------------------------- Attachment: yarn-3762-2.patch Updated the patch to add more comments. > 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: Critical > Attachments: yarn-3762-1.patch, yarn-3762-1.patch, yarn-3762-2.patch > > > 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} -- This message was sent by Atlassian JIRA (v6.3.4#6332)