shenhong created YARN-301:
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Summary: 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
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)
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