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Hadoop, mail # user - unable to check nodes on hadoop


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Re: unable to check nodes on hadoop
anil gupta 2012-06-06, 16:41
Babak,

Probably, your namenode is not up. Check the logs of namenode first.
Also, please specify the version? the mode in which you are running hadoop?

On Wed, Jun 6, 2012 at 9:35 AM, Babak Bastan <[EMAIL PROTECTED]> wrote:

> If I type 'http://localhost:50070' or 'http://localhost:9000' to see the
> nodes,my browser shows me nothing I think it can't connect to the server. I
> tested my hadoop with this command:
>
> hadoop jar hadoop-*test*.jar TestDFSIO -write -nrFiles 10 -fileSize 1000
>
> but too didn't work and it tries to connect to the server,this is the
> output:
>
> 12/06/06 17:25:24 INFO mapred.FileInputFormat: nrFiles = 10
> 12/06/06 17:25:24 INFO mapred.FileInputFormat: fileSize (MB) = 1000
> 12/06/06 17:25:24 INFO mapred.FileInputFormat: bufferSize = 1000000
> 12/06/06 17:25:25 INFO ipc.Client: Retrying connect to server:
> localhost/127.0.0.1:9000. Already tried 0 time(s).
> 12/06/06 17:25:26 INFO ipc.Client: Retrying connect to server:
> localhost/127.0.0.1:9000. Already tried 1 time(s).
> 12/06/06 17:25:27 INFO ipc.Client: Retrying connect to server:
> localhost/127.0.0.1:9000. Already tried 2 time(s).
> 12/06/06 17:25:28 INFO ipc.Client: Retrying connect to server:
> localhost/127.0.0.1:9000. Already tried 3 time(s).
> 12/06/06 17:25:29 INFO ipc.Client: Retrying connect to server:
> localhost/127.0.0.1:9000. Already tried 4 time(s).
> 12/06/06 17:25:30 INFO ipc.Client: Retrying connect to server:
> localhost/127.0.0.1:9000. Already tried 5 time(s).
> 12/06/06 17:25:31 INFO ipc.Client: Retrying connect to server:
> localhost/127.0.0.1:9000. Already tried 6 time(s).
> 12/06/06 17:25:32 INFO ipc.Client: Retrying connect to server:
> localhost/127.0.0.1:9000. Already tried 7 time(s).
> 12/06/06 17:25:33 INFO ipc.Client: Retrying connect to server:
> localhost/127.0.0.1:9000. Already tried 8 time(s).
> 12/06/06 17:25:34 INFO ipc.Client: Retrying connect to server:
> localhost/127.0.0.1:9000. Already tried 9 time(s).
> java.net.ConnectException: Call to localhost/127.0.0.1:9000 failed on
> connection exception: java.net.ConnectException: Connection refused
>
> I changed some files like this: in conf/core-site.xml:
>
> <configuration>
>  <property>
>    <name>fs.default.name</name>
>    <value>hdfs://localhost:9000</value>
>  </property>
>
> in conf/hdfs-site.xml:
>
> <configuration>
>  <property>
>    <name>dfs.replication</name>
>    <value>1</value>
>  </property>
> </configuration>
> </configuration>
>
> in conf/mapred-site.xml:
>
> <configuration>
>  <property>
>    <name>mapred.job.tracker</name>
>    <value>localhost:9001</value>
>  </property>
> </configuration>
>
> but no effect !Have you any Idee,How can I solve my problem?
>

--
Thanks & Regards,
Anil Gupta