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Hudson commented on YARN-3762: ------------------------------ FAILURE: Integrated in Hadoop-trunk-Commit #7955 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/7955/]) YARN-3762. FairScheduler: CME on FSParentQueue#getQueueUserAclInfo. (kasha) (kasha: rev edb9cd0f7aa1ecaf34afaa120e3d79583e0ec689) * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/QueueManager.java * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSParentQueue.java * hadoop-yarn-project/CHANGES.txt > 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 > Fix For: 2.8.0 > > 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)