Hello,
  I am running the default map reduce  job (word count) in Hadoop. The job runs 
fine and I am able to delve into the statistics. However I get a warning as 
follows
"No job jar file set.  User classes may not be found. See JobConf(Class) or 
JobConf#setJar(String)."
  Also I set the following parameter in the core-site.xml


<property>
  <name>mapred.map.tasks</name>
  <value>2</value>
  <description>The default number of map tasks per job.  Typically set
  to a prime several times greater than number of available hosts.
  Ignored when mapred.job.tracker is "local".  
  </description>
</property>
However I still get only one map task and not two. Can someone suggest the 
solution to this problem.

Thanking you

Yours faithfully
Ranjan Banerjee

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