[ 
https://issues.apache.org/jira/browse/YARN-3798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14627919#comment-14627919
 ] 

Tsuyoshi Ozawa commented on YARN-3798:
--------------------------------------

The test result:
{quote}
-1 overall.  

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified 
tests.
                        Please justify why no new tests are needed for this 
patch.
                        Also please list what manual steps were performed to 
verify this patch.

    -1 javadoc.  The javadoc tool appears to have generated 48 warning messages.

    +1 javac.  The applied patch does not increase the total number of javac 
compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version ) 
warnings.

    +1 release audit.  The applied patch does not increase the total number of 
release audit warnings.
{quote}

I checked javadoc warning, but I found no diff. I think it looks like false 
positive warning by a script. 

> ZKRMStateStore shouldn't create new session without occurrance of 
> SESSIONEXPIED
> -------------------------------------------------------------------------------
>
>                 Key: YARN-3798
>                 URL: https://issues.apache.org/jira/browse/YARN-3798
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.0
>         Environment: Suse 11 Sp3
>            Reporter: Bibin A Chundatt
>            Assignee: Varun Saxena
>            Priority: Blocker
>         Attachments: RM.log, YARN-3798-2.7.002.patch, 
> YARN-3798-branch-2.7.002.patch, YARN-3798-branch-2.7.003.patch, 
> YARN-3798-branch-2.7.004.patch, YARN-3798-branch-2.7.005.patch, 
> YARN-3798-branch-2.7.patch
>
>
> RM going down with NoNode exception during create of znode for appattempt
> *Please find the exception logs*
> {code}
> 2015-06-09 10:09:44,732 INFO 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore: 
> ZKRMStateStore Session connected
> 2015-06-09 10:09:44,732 INFO 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore: 
> ZKRMStateStore Session restored
> 2015-06-09 10:09:44,886 INFO 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore: 
> Exception while executing a ZK operation.
> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode
>       at org.apache.zookeeper.KeeperException.create(KeeperException.java:115)
>       at org.apache.zookeeper.ZooKeeper.multiInternal(ZooKeeper.java:1405)
>       at org.apache.zookeeper.ZooKeeper.multi(ZooKeeper.java:1310)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$4.run(ZKRMStateStore.java:926)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$4.run(ZKRMStateStore.java:923)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithCheck(ZKRMStateStore.java:1101)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithRetries(ZKRMStateStore.java:1122)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doStoreMultiWithRetries(ZKRMStateStore.java:923)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doStoreMultiWithRetries(ZKRMStateStore.java:937)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.createWithRetries(ZKRMStateStore.java:970)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.updateApplicationAttemptStateInternal(ZKRMStateStore.java:671)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$UpdateAppAttemptTransition.transition(RMStateStore.java:275)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$UpdateAppAttemptTransition.transition(RMStateStore.java:260)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory$SingleInternalArc.doTransition(StateMachineFactory.java:362)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.handleStoreEvent(RMStateStore.java:837)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$ForwardingEventHandler.handle(RMStateStore.java:900)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$ForwardingEventHandler.handle(RMStateStore.java:895)
>       at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:175)
>       at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:108)
>       at java.lang.Thread.run(Thread.java:745)
> 2015-06-09 10:09:44,887 INFO 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore: Maxed 
> out ZK retries. Giving up!
> 2015-06-09 10:09:44,887 ERROR 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore: Error 
> updating appAttempt: appattempt_1433764310492_7152_000001
> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode
>       at org.apache.zookeeper.KeeperException.create(KeeperException.java:115)
>       at org.apache.zookeeper.ZooKeeper.multiInternal(ZooKeeper.java:1405)
>       at org.apache.zookeeper.ZooKeeper.multi(ZooKeeper.java:1310)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$4.run(ZKRMStateStore.java:926)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$4.run(ZKRMStateStore.java:923)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithCheck(ZKRMStateStore.java:1101)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithRetries(ZKRMStateStore.java:1122)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doStoreMultiWithRetries(ZKRMStateStore.java:923)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doStoreMultiWithRetries(ZKRMStateStore.java:937)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.createWithRetries(ZKRMStateStore.java:970)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.updateApplicationAttemptStateInternal(ZKRMStateStore.java:671)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$UpdateAppAttemptTransition.transition(RMStateStore.java:275)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$UpdateAppAttemptTransition.transition(RMStateStore.java:260)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory$SingleInternalArc.doTransition(StateMachineFactory.java:362)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.handleStoreEvent(RMStateStore.java:837)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$ForwardingEventHandler.handle(RMStateStore.java:900)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$ForwardingEventHandler.handle(RMStateStore.java:895)
>       at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:175)
>       at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:108)
>       at java.lang.Thread.run(Thread.java:745)
> 2015-06-09 10:09:44,898 INFO 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore: Updating 
> info for app: application_1433764310492_7152
> 2015-06-09 10:09:44,898 FATAL 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Received a 
> org.apache.hadoop.yarn.server.resourcemanager.RMFatalEvent of type 
> STATE_STORE_OP_FAILED. Cause:
> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode
>       at org.apache.zookeeper.KeeperException.create(KeeperException.java:115)
>       at org.apache.zookeeper.ZooKeeper.multiInternal(ZooKeeper.java:1405)
>       at org.apache.zookeeper.ZooKeeper.multi(ZooKeeper.java:1310)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$4.run(ZKRMStateStore.java:926)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$4.run(ZKRMStateStore.java:923)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithCheck(ZKRMStateStore.java:1101)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithRetries(ZKRMStateStore.java:1122)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doStoreMultiWithRetries(ZKRMStateStore.java:923)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doStoreMultiWithRetries(ZKRMStateStore.java:937)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.createWithRetries(ZKRMStateStore.java:970)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.updateApplicationAttemptStateInternal(ZKRMStateStore.java:671)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$UpdateAppAttemptTransition.transition(RMStateStore.java:275)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$UpdateAppAttemptTransition.transition(RMStateStore.java:260)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory$SingleInternalArc.doTransition(StateMachineFactory.java:362)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
>       at 
> org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.handleStoreEvent(RMStateStore.java:837)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$ForwardingEventHandler.handle(RMStateStore.java:900)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$ForwardingEventHandler.handle(RMStateStore.java:895)
>       at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:175)
>       at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:108)
>       at java.lang.Thread.run(Thread.java:745)
> 2015-06-09 10:09:44,920 INFO org.apache.hadoop.util.ExitUtil: Exiting with 
> status 1
> {code}
> Zk leader process down has happened almost at the same time 
> On startup of  zk process znode for application was available
> *Current*
> RM going down and Job failure
> *Expected*
>  Submitted Job can fail but RM shutdown i not required



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