is there errors in the task outpu file? on the jobtracker.jsp click the Jobid link -> tasks link -> Taskid link -> Task logs link
2012/5/11 Mohit Kundra <mohit....@gmail.com> > Hi , > > I am new user to hadoop . I have installed hadoop0.19.1 on single windows > machine. > Its http://localhost:50030/jobtracker.jsp and > http://localhost:50070/dfshealth.jsp pages are working fine but when i am > executing bin/hadoop jar hadoop-0.19.1-examples.jar pi 5 100 > > It is showing below > > $ bin/hadoop jar hadoop-0.19.1-examples.jar pi 5 100 > cygpath: cannot create short name of D:hadoop-0.19.1logs > Number of Maps = 5 Samples per Map = 100 > Wrote input for Map #0 > Wrote input for Map #1 > Wrote input for Map #2 > Wrote input for Map #3 > Wrote input for Map #4 > Starting Job > 12/05/11 12:07:26 INFO mapred.JobClient: > Running job: job_201205111113_0002 > 12/05/11 12:07:27 INFO mapred.JobClient: map 0% reduce 0% > 12/05/11 12:07:35 INFO mapred.JobClient: Task Id : > attempt_201205111113_0002_m_000006_ 0, Status : FAILED > java.io.IOException: Task process exit with nonzero status of 1. > at org.apache.hadoop.mapred.TaskRunner.run (TaskRunner.java:425) > > > > Please tell me what is the root cause.... > > regards , > Mohit > > -- Regards Junyong