Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HDFS, mail # dev - Re: [VOTE] Release hadoop-2.0.3-alpha


Copy link to this message
-
Re: [VOTE] Release hadoop-2.0.3-alpha
Steve Loughran 2013-02-11, 14:44
On 9 February 2013 00:25, Aaron T. Myers <[EMAIL PROTECTED]> wrote:

> . When I first tried to start up the RM, it failed to start with
> this error:
>
> And then this on shutdown:
>
> 13/02/08 16:00:31 INFO service.CompositeService: Error stopping
> ResourceManager
> java.lang.NullPointerException
> at
>
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stop(ResourceManager.java:590)
>  at
>
> org.apache.hadoop.yarn.service.CompositeService$CompositeServiceShutdownHook.run(CompositeService.java:122)
> at
>
> org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54)
>
> Presumably this is because I don't have the CapacityScheduler queues
> configured at all, and the default scheduler is now the CapacityScheduler.
> To work around this for my testing, I switched to the FairScheduler and the
> RM came up just fine.
>
> service is assuming it came up so doesn't check its args in stop().  See

https://issues.apache.org/jira/browse/MAPREDUCE-3502