[
https://issues.apache.org/jira/browse/YARN-301?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
shenhong updated YARN-301:
--------------------------
Attachment: YARN-301.patch
add a patch to solve this problem
> Fairscheduler appear to concurrentModificationException and RM crash
> --------------------------------------------------------------------
>
> Key: YARN-301
> URL: https://issues.apache.org/jira/browse/YARN-301
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager, scheduler
> Reporter: shenhong
> Fix For: 2.0.3-alpha
>
> Attachments: YARN-301.patch
>
>
> In my test cluster, fairscheduler appear to concurrentModificationException
> and RM crash, here is the message:
> 2012-12-30 17:14:17,171 FATAL
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in
> handling event type NODE_UPDATE to the scheduler
> java.util.ConcurrentModificationException
> at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1100)
> at java.util.TreeMap$KeyIterator.next(TreeMap.java:1154)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AppSchedulable.assignContainer(AppSchedulable.java:297)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSLeafQueue.assignContainer(FSLeafQueue.java:181)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.nodeUpdate(FairScheduler.java:780)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:842)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:98)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:340)
> at java.lang.Thread.run(Thread.java:662)
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
