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From "Bob (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4663) DeadLocks in ZKRMStateStore
Date Mon, 01 Feb 2016 08:54:39 GMT
Bob created YARN-4663:
-------------------------

             Summary: DeadLocks in ZKRMStateStore
                 Key: YARN-4663
                 URL: https://issues.apache.org/jira/browse/YARN-4663
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.7.0
            Reporter: Bob
            Priority: Blocker


{code}
Java stack information for the threads listed above:
===================================================
"org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$VerifyActiveStatusThread":
	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doStoreMultiWithRetries(ZKRMStateStore.java:963)
	- waiting to lock <0x00000000c8470590> (a org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore)
	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.access$600(ZKRMStateStore.java:92)
	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$VerifyActiveStatusThread.run(ZKRMStateStore.java:1113)
"main-EventThread":
	at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1468)
	- waiting to lock <0x00000000ce5d0160> (a java.util.LinkedList)
	at org.apache.zookeeper.ClientCnxn$SendThread.cleanAndNotifyState(ClientCnxn.java:1456)
	at org.apache.zookeeper.ClientCnxn$SendThread.access$2800(ClientCnxn.java:868)
	at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1641)
	- locked <0x00000000ce5c66c0> (a org.apache.zookeeper.ClientCnxn$Packet)
	at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1622)
	at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:2261)
	at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:2291)
	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$8.run(ZKRMStateStore.java:1053)
	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$8.run(ZKRMStateStore.java:1050)
	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithCheck(ZKRMStateStore.java:1145)
	- locked <0x00000000c8470590> (a org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore)
	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithRetries(ZKRMStateStore.java:1178)
	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.getChildrenWithRetries(ZKRMStateStore.java:1050)
	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.loadApplicationAttemptState(ZKRMStateStore.java:606)
	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.loadRMAppState(ZKRMStateStore.java:595)
	- locked <0x00000000c8470590> (a org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore)
	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.loadState(ZKRMStateStore.java:464)
	- locked <0x00000000c8470590> (a org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStart(ResourceManager.java:625)
	at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
	- locked <0x00000000c824a9f0> (a java.lang.Object)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startActiveServices(ResourceManager.java:1033)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1074)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1070)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1675)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToActive(ResourceManager.java:1070)
	- locked <0x00000000c804f7c0> (a org.apache.hadoop.yarn.server.resourcemanager.ResourceManager)
	at org.apache.hadoop.yarn.server.resourcemanager.AdminService.transitionToActive(AdminService.java:314)
	- locked <0x00000000c8465e20> (a org.apache.hadoop.yarn.server.resourcemanager.AdminService)
	at org.apache.hadoop.yarn.server.resourcemanager.EmbeddedElectorService.becomeActive(EmbeddedElectorService.java:126)
	at org.apache.hadoop.ha.ActiveStandbyElector.becomeActive(ActiveStandbyElector.java:832)
	at org.apache.hadoop.ha.ActiveStandbyElector.processResult(ActiveStandbyElector.java:422)
	- locked <0x00000000c82e1808> (a org.apache.hadoop.ha.ActiveStandbyElector)
	at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:694)
	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:566)
"main-SendThread(160-149-0-9:24002)":
	at org.apache.zookeeper.ClientCnxn.finishPacket(ClientCnxn.java:775)
	- waiting to lock <0x00000000ce5c66c0> (a org.apache.zookeeper.ClientCnxn$Packet)
	at org.apache.zookeeper.ClientCnxn.conLossPacket(ClientCnxn.java:815)
	at org.apache.zookeeper.ClientCnxn.access$2600(ClientCnxn.java:99)
	at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1469)
	- locked <0x00000000ce5d0160> (a java.util.LinkedList)
	at org.apache.zookeeper.ClientCnxn$SendThread.cleanAndNotifyState(ClientCnxn.java:1456)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1385)
{code}



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