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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1801) NPE in public localizer
Date Wed, 20 Aug 2014 13:56:26 GMT

     [ https://issues.apache.org/jira/browse/YARN-1801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Lowe updated YARN-1801:
-----------------------------

     Target Version/s: 2.6.0  (was: 2.4.1)
    Affects Version/s: 2.2.0

[~beckham007] what Hadoop version corresponds to the log messages above?  The logs imply it
might be something close to Hadoop 2.2 since the NPE is on the same line number as originally
reported.

The core problem with the original NPE is that assoc should never be null unless there's a
code bug, and we closed a race condition that could cause that in YARN-1575.  It would be
good to know if you're already running on a version that includes the fix from YARN-1575,
and if not, can you reproduce  the problem after including that fix.

> NPE in public localizer
> -----------------------
>
>                 Key: YARN-1801
>                 URL: https://issues.apache.org/jira/browse/YARN-1801
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.2.0
>            Reporter: Jason Lowe
>            Assignee: Hong Zhiguo
>            Priority: Critical
>         Attachments: YARN-1801.patch
>
>
> While investigating YARN-1800 found this in the NM logs that caused the public localizer
to shutdown:
> {noformat}
> 2014-01-23 01:26:38,655 INFO  localizer.ResourceLocalizationService (ResourceLocalizationService.java:addResource(651))
- Downloading public rsrc:{ hdfs://colo-2:8020/user/fertrist/oozie-oozi/0000601-140114233013619-oozie-oozi-W/aggregator--map-reduce/map-reduce-launcher.jar,
1390440382009, FILE, null }
> 2014-01-23 01:26:38,656 FATAL localizer.ResourceLocalizationService (ResourceLocalizationService.java:run(726))
- Error: Shutting down
> java.lang.NullPointerException
> 	at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$PublicLocalizer.run(ResourceLocalizationService.java:712)
> 2014-01-23 01:26:38,656 INFO  localizer.ResourceLocalizationService (ResourceLocalizationService.java:run(728))
- Public cache exiting
> {noformat}



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