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From Mingjiang Shi <m...@gopivotal.com>
Subject Re: App Master issue.
Date Thu, 06 Mar 2014 02:04:27 GMT
Sorry, it should be accessing http://<node_manager_ip>:8042/conf to check
the value of yarn.resourcemanager.
scheduler.address on the node manager.


On Thu, Mar 6, 2014 at 9:36 AM, Mingjiang Shi <mshi@gopivotal.com> wrote:

> Hi Sai,
> A few questions:
> 1. which version of hadoop are you using? yarn.resourcemanager.hostname is
> a new configuration which is not available old versions.
> 2. Does your yarn-site.xml contains
> yarn.resourcemanager.scheduler.address? If yes, what's the value?
> 3. or you could access http://<resource_mgr>:8088/conf to check the value
> of yarn.resourcemanager.scheduler.address.
>
>
>
> On Thu, Mar 6, 2014 at 3:29 AM, Sai Prasanna <ansaiprasanna@gmail.com>wrote:
>
>> Hi,
>>
>> I have a five node cluster. One master and 4 slaves. Infact master also
>> has a data node running. When ever app master is launched in the master
>> node, simple wordcount program runs fine. But if it is launched in some
>> slave nodes, the progress of the application gets hung.
>> The problem is, though i have set the yarn.resourcemanager.hostname to
>> the ip-address of the master, the slave connects only to the default,
>> 0.0.0.0:8030.
>> What could be the reason ???
>>
>> I get the following message in the logs of app.master in web-UI.
>> *"...Configuration: job.xml:an attempt to override final parameter:
>> mapreduce.job.end-notification.max.retry.interval;  Ignoring.*
>>
>>
>> *2014-03-05 20:15:50,597 WARN [main]
>> org.apache.hadoop.conf.Configuration: job.xml:an attempt to override final
>> parameter: mapreduce.job.end-notification.max.attempts;  Ignoring.
>> 2014-03-05 20:15:50,603 INFO [main] org.apache.hadoop.yarn.client.RMProxy:
>> Connecting to ResourceManager at /0.0.0.0:8030
>> <http://0.0.0.0:8030>2014-03-05 20:15:56,632 INFO [main]
>> org.apache.hadoop.ipc.Client: Retrying connect to server:
>> 0.0.0.0/0.0.0.0:8030 <http://0.0.0.0/0.0.0.0:8030>. Already tried 0
>> time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
>> sleepTime=1000 MILLISECONDS)"*
>>
>>
>> --
>> *Sai Prasanna. AN*
>> *II M.Tech (CS), SSSIHL*
>>
>>
>> *Entire water in the ocean can never sink a ship, Unless it gets inside.
>> All the pressures of life can never hurt you, Unless you let them in.*
>>
>
>
>
> --
> Cheers
> -MJ
>



-- 
Cheers
-MJ

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