look at the logs of job tracker, maybe you will get some clues.
Jeff Zhang On Mon, Nov 16, 2009 at 6:45 AM, Prabhu Hari Dhanapal < dragonzsn...@gmail.com> wrote: > Hi all, > > I just installed Hadoop(single node cluster) and tried to start and stop > the > nodes , and it said > no jobtracker to stop , no namenode to stop > > however the tutorial i used suggest that jobtracker and namenodes should > also have started ? Why does this happen? > am i missing something? > > > http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_(Single-Node_Cluster)<http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_%28Single-Node_Cluster%29> > > > had...@pdhanapa-laptop:/home/pdhanapa/Desktop/hadoop/bin$ jps > 20671 Jps > 20368 DataNode > 20463 SecondaryNameNode > > had...@pdhanapa-laptop:/home/pdhanapa/Desktop/hadoop/bin$ ./stop-all.sh > no jobtracker to stop > localhost: no tasktracker to stop > no namenode to stop > localhost: stopping datanode > localhost: stopping secondarynamenode > > > > > -- > Hari >
