@SuppressWarnings("unchecked")
  public static void main(String[] args) throws IOException {
    JobConf conf = ValueAggregatorJob.createValueAggregatorJob(args
        , new Class[] {WordCountPlugInClass.class});
   
    JobClient.runJob(conf);
  }
@ SuppressWarnings ( "unchecked" ) public static void main ( String [ ] args ) throws IOException { JobConf conf = ValueAggregatorJob . createValueAggregatorJob ( args , new Class [ ] { WordCountPlugInClass . class } ) ; JobClient . runJob ( conf ) ; }
The main driver for word count map/reduce program. Invoke this method to
submit the map/reduce job.

@throws IOException
When there is communication problems with the job tracker.