Thanks I think It was the problem! On 30 March 2012 20:21, Arvid Warnecke <[email protected]> wrote:
> Hello, > > On Fri, Mar 30, 2012 at 07:17:27PM +0200, Roberto Alonso wrote: > > <property> > > <name>mapred.system.dir</name> > > <value>/mapred/system</value> > > </property> > > > > When I put and start the tasktracker: > > sudo service hadoop-0.20-tasktracker start > > > > The log /usr/lib/hadoop-0.20/logs/hadoop-hadoop-tasktracker.log says the > > next: > > > > ERROR org.apache.hadoop.mapred.TaskTracker: Can not start task tracker > > because java.lang.RuntimeException: Not a host:port pair: local > > > > do you know whats happening?? > > > I am just guessing, but maybe you don't have set the information about > the job tracker? > > <property> > <name>mapred.job.tracker</name> > <value>localhost:8021</value> > </property> > > Cheers, > Arvid > >
