Yong Xing created YARN-10051:
--------------------------------
Summary: Throwing NoSuchElementException when even dispatcher
handling NODE_UPDATE
Key: YARN-10051
URL: https://issues.apache.org/jira/browse/YARN-10051
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Affects Versions: 3.0.0
Reporter: Yong Xing
Fix For: 3.0.0
Restarting a NM, I found the active RM crash. The Exception stack is as
follows.
{code:java}
2019-12-16 18:12:20,286 FATAL org.apache.hadoop.yarn.event.EventDispatcher:
Error in handling event type NODE_UPDATE to the Event Dispatcher
java.util.NoSuchElementException
at
java.util.concurrent.ConcurrentSkipListMap.firstKey(ConcurrentSkipListMap.java:2036)
at
java.util.concurrent.ConcurrentSkipListSet.first(ConcurrentSkipListSet.java:396)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.AppSchedulingInfo.getNextPendingAsk(AppSchedulingInfo.java:373)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt.isOverAMShareLimit(FSAppAttempt.java:941)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt.assignContainer(FSAppAttempt.java:1374)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSLeafQueue.assignContainer(FSLeafQueue.java:345)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSParentQueue.assignContainer(FSParentQueue.java:204)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.attemptScheduling(FairScheduler.java:1091)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.nodeUpdate(FairScheduler.java:958)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:1180)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:130)
at
org.apache.hadoop.yarn.event.EventDispatcher$EventProcessor.run(EventDispatcher.java:66)
at java.lang.Thread.run(Thread.java:748)
{code}
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