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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-3754) Race condition when the NodeManager is shutting down and container is launched
Date Thu, 09 Jul 2015 17:25:05 GMT

     [ https://issues.apache.org/jira/browse/YARN-3754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sunil G resolved YARN-3754.
---------------------------
    Resolution: Not A Problem

I am closing this  issue as it is not happening in trunk.
[~bibinchundatt] please reopen otherwise.

> Race condition when the NodeManager is shutting down and container is launched
> ------------------------------------------------------------------------------
>
>                 Key: YARN-3754
>                 URL: https://issues.apache.org/jira/browse/YARN-3754
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>         Environment: Suse 11 Sp3
>            Reporter: Bibin A Chundatt
>            Assignee: Sunil G
>            Priority: Critical
>         Attachments: NM.log
>
>
> Container is launched and returned to ContainerImpl
> NodeManager closed the DB connection which resulting in {{org.iq80.leveldb.DBException:
Closed}}. 
> *Attaching the exception trace*
> {code}
> 2015-05-30 02:11:49,122 WARN org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerImpl:
Unable to update state store diagnostics for container_e310_1432817693365_3338_01_000002
> java.io.IOException: org.iq80.leveldb.DBException: Closed
>         at org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainerDiagnostics(NMLeveldbStateStoreService.java:261)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerImpl$ContainerDiagnosticsUpdateTransition.transition(ContainerImpl.java:1109)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerImpl$ContainerDiagnosticsUpdateTransition.transition(ContainerImpl.java:1101)
>         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.nodemanager.containermanager.container.ContainerImpl.handle(ContainerImpl.java:1129)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerImpl.handle(ContainerImpl.java:83)
>         at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:246)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at java.lang.Thread.run(Thread.java:745)
> Caused by: org.iq80.leveldb.DBException: Closed
>         at org.fusesource.leveldbjni.internal.JniDB.put(JniDB.java:123)
>         at org.fusesource.leveldbjni.internal.JniDB.put(JniDB.java:106)
>         at org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.storeContainerDiagnostics(NMLeveldbStateStoreService.java:259)
>         ... 15 more
> {code}
> we can add a check whether DB is closed while we move container from ACQUIRED state.
> As per the discussion in YARN-3585 have add the same



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