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MapReduce >> mail # user >> there is not data-node


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Re: there is not data-node
You also need to remove data in you data directories on every data node

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On May 1, 2013, at 5:31 AM, "Mohsen B.Sarmadi" <[EMAIL PROTECTED]> wrote:

> Dear Sirs/madams
>
> i am trying to run hadoop 1.0.4 in the pseudo distributed mode, but i am facing with
>
> datanode log,
>
> 01/05/2013 13:16:54 2013-05-01 13:16:54,206 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException: Incompatible namespaceIDs in /home/mohs/hadoop/dfsdirdata: namenode namespaceID = 717658700; datanode namespaceID = 1318489331
>
>
> job-tracker log:
>
> 01/05/2013 13:24:40 org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /home/mohs/hadoop/tmp/mapred/system/jobtracker.info could only be replicated to 0 nodes, instead of 1
>
> data-node log:
> 01/05/2013 13:26:10 2013-05-01 13:26:09,711 WARN org.apache.hadoop.hdfs.DFSClient: DataStreamer Exception: org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /home/mohs/hadoop/tmp/mapred/system/jobtracker.info could only be replicated to 0 nodes, instead of 1
>
> i have tried to solve this by removing the files in /tmp/hadoop/* and running hadoop namenode -format
>
> but i am facing with the same error.
> do you have any solution for this?
>
> regards
> Mohsen
>
>
>