Devaraj K created YARN-1374: ------------------------------- Summary: Resource Manager fails to start due to ConcurrentModificationException Key: YARN-1374 URL: https://issues.apache.org/jira/browse/YARN-1374 Project: Hadoop YARN Issue Type: Bug Components: resourcemanager Affects Versions: 2.3.0 Reporter: Devaraj K Priority: Blocker
Resource Manager is failing to start with the below ConcurrentModificationException. {code:xml} 2013-10-30 20:22:42,371 INFO org.apache.hadoop.util.HostsFileReader: Refreshing hosts (include/exclude) list 2013-10-30 20:22:42,376 INFO org.apache.hadoop.service.AbstractService: Service ResourceManager failed in state INITED; cause: java.util.ConcurrentModificationException java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010) at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:187) at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:944) 2013-10-30 20:22:42,378 INFO org.apache.hadoop.yarn.server.resourcemanager.RMHAProtocolService: Transitioning to standby 2013-10-30 20:22:42,378 INFO org.apache.hadoop.yarn.server.resourcemanager.RMHAProtocolService: Transitioned to standby 2013-10-30 20:22:42,378 FATAL org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error starting ResourceManager java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010) at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:187) at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:944) 2013-10-30 20:22:42,379 INFO org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: SHUTDOWN_MSG: /************************************************************ SHUTDOWN_MSG: Shutting down ResourceManager at HOST-10-18-40-24/10.18.40.24 ************************************************************/ {code} -- This message was sent by Atlassian JIRA (v6.1#6144)