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From Arjun Reddy <arjunreddy0...@gmail.com>
Subject Re: Problem running PI example in Hadoop 2.0.0
Date Fri, 10 Aug 2012 17:54:36 GMT
I removed the entry 127.0.1.1 in /etc/hosts on all the nodes and the
cluster is working fine now.  Thank you very much for your help.

On Thu, Aug 9, 2012 at 3:15 PM, Steve Loughran <stevel@hortonworks.com>wrote:

>
>
>  On 9 August 2012 10:31, Arjun Reddy <arjunreddy0768@gmail.com> wrote:
>
>> I did go through the 6 steps listed at the link and telnet to port
>> 45965 is failing.  Netstat -a shows nothing is listing on port 45965.
>>
>
>
> That's a high number - I wonder if it's something transient that didn't
> start.
>
> I worry about the 127.0.1.1 number in the hostname -try editing /etc/hosts
> to 127.0.0.1 to see if that helps; it could just be some listening on a
> different port
>
>
>>
>> We can run hadoop 1.0.3 version without any issues on this cluster and I
>> am new to 2.0.0 version.  I followed the document
>> http://hadoop.apache.org/common/docs/r2.0.0-alpha/hadoop-yarn/hadoop-yarn-site/ClusterSetup.html
to
>> setup the config files.  Is there any other good document that describes
>> how to set up version 2.0.0.
>>
>> Thanks
>> Arjun
>>
>>  On Thu, Aug 9, 2012 at 11:47 AM, Steve Loughran <stevel@hortonworks.com>wrote:
>>
>>>
>>>
>>>  On 8 August 2012 14:39, Arjun Reddy <arjunreddy0768@gmail.com> wrote:
>>>
>>>>  I am trying to setup a small cluster using hadoop 2.0.0 and using PI
>>>> example to validate the setup.  When I have 1 master and 1 slave the
>>>> example works fine.  I am getting exceptions with the PI example when
>>>> additional slave nodes are added to the cluster.  The syslogs for failed
>>>> tasks are as follows.  Any ideas why this is happening.
>>>>
>>>>
>>>> .
>>>> 2012-08-08 15:41:30,492 WARN [main] org.apache.hadoop.mapred.YarnChild:
>>>> Exception running child : java.net.ConnectException: Call From node2/
>>>> 127.0.1.1 to node2:45965 failed on connection exception:
>>>> java.net.ConnectException: Connection refused; For more details see:
>>>> http://wiki.apache.org/hadoop/ConnectionRefused
>>>>         at
>>>> org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:727)
>>>>         at org.apache.hadoop.ipc.Client.call(Client.java:1165)
>>>>         at
>>>> org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:224)
>>>>         at $Proxy6.getTask(Unknown Source)
>>>>         at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:123)
>>>>
>>>>  did you follow the link in this message?
>>>
>>> If so, did you follow all the actions?
>>>
>>>
>>
>
>
> --
> Steve Loughran
> Hortonworks Inc
> stevel@hortonworks.com
> skype: steve_loughran
> tel: +1 408 400 3721
>
>  <http://hortonworks.com/download/>
>
>
>

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