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Re: there is not data-node
姚吉龙 2013-05-01, 15:10
Id is different in namenode and data node.you can modify the id.I met the same issue and I completely remove all  file under hadoop

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On Wed, May 1, 2013 at 8:32 PM, 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