Hi,

If you check your host file, is the hostname mapped to 127.0.0.1?
They might be the reason why it is listening only on a local port.
Try comment out that line.

Hope this helps.

Cheers
boris

On Tue, Mar 25, 2008 at 7:37 PM, Developer Developer
<[EMAIL PROTECTED]> wrote:
> Hello Frens,
>
>
>  I debugged the problem and here is some more informaiton and question.
>
>  I think the slave node is not communicating with the master node through
>  continuous heart beat. I have set the <name>mapred.job.tracker</name> value
>  to <value>hostname:40070</value>. So , the slaves must communicate on 40070
>
>  On the Master Node the process that listens on 40071 looks like this.
>
>
>  lsof -i -n -P | grep 400
>  java 10766 nutch 34u IPv6 1460375 TCP 127.0.0.1:40070 (LISTEN)
>  java 10766 nutch 38u IPv6 1462135 TCP
>  127.0.0.1:40070->127.0.0.1:60165(ESTABLISHED)
>
>
>  Thanks means the java process on 40070 can only listen to localhost,
>  therefore all slave connections will be rejected.
>
>  What am I missing here ?
>
>
>
>
>
>
>  On Wed, Mar 19, 2008 at 3:53 PM, Developer Developer <[EMAIL PROTECTED]>
>  wrote:
>
>
>
> > Hello I have setup nutch/hadoop on 2 nodes. How can i make sure that the
>  > setup is correct ?
>  >
>  > I can start and stop using start-all and stop-all script with no errors.
>  >
>  > But during crawl when i look at the status on
>  > http://master:50030/jobtracker.jsp, the cluster summary shows only one
>  > node. ?
>  >
>  > Any suggestions
>  >
>  >
>  >  MapsReducesTasks/NodeNodes 0241 <http://ascot1:50030/machines.jsp>
>  >
>  >
>  >
>

Reply via email to