Sorry to bother. I cleared the hadoop directory on each node, then re-formatted it, the problem is solved.
2008/2/21, Zhu Huijun <[EMAIL PROTECTED]>: > > Hi, > > I have a problem running Hadoop on our cluster. After I formated the > namenode by executing "./bin/hadoop namenode -format", and started the dfs > by executing "./bin/start-dfs.sh", I can access the webpage of namenode at > http://localhost:50070, but the number of live data nodes is 0. If I run > "./bin/stop-dfs.sh", there are messages of "no datanode to stop" after > each ip addresses of the slave nodes listed in the /conf/slaves file. I > found the following error in the log files: > > ERROR org.apache.hadoop.dfs.DataNode: > org.apache.hadoop.dfs.IncorrectVersionException: Unexpected version of > storage directory /tmp/hadoop-zhuhj/dfs/data. Reported: -11. Expecting = > -10. > > However, I check the file of /tmp/hadoop-zhuhj/dfs/data/current/VERSION, > it says "layoutVersion=-10". > > I appreciate that anyone can give me some hint about what the problem is. > Thanks! > > Best wishes! > > > >
