Most probably you have a network problem. Check your hostname and IP address mapping
>________________________________ > From: Yongwei Xing <jdxyw2...@gmail.com> >To: common-user@hadoop.apache.org >Sent: Thursday, June 14, 2012 10:15 AM >Subject: Map works well, but Redue failed > >Hi all > >I run a simple sort program, however, I meet such error like below. > >12/06/15 01:13:17 WARN mapred.JobClient: Error reading task outputServer >returned HTTP response code: 403 for URL: >http://192.168.1.106:50060/tasklog?plaintext=true&attemptid=attempt_201206150102_0002_m_000001_1&filter=stdout >12/06/15 01:13:18 WARN mapred.JobClient: Error reading task outputServer >returned HTTP response code: 403 for URL: >http://192.168.1.106:50060/tasklog?plaintext=true&attemptid=attempt_201206150102_0002_m_000001_1&filter=stderr >12/06/15 01:13:20 INFO mapred.JobClient: map 50% reduce 0% >12/06/15 01:13:23 INFO mapred.JobClient: map 100% reduce 0% >12/06/15 01:14:19 INFO mapred.JobClient: Task Id : >attempt_201206150102_0002_m_000000_2, Status : FAILED >Too many fetch-failures >12/06/15 01:14:20 WARN mapred.JobClient: Error reading task outputServer >returned HTTP response code: 403 for URL: >http://192.168.1.106:50060/tasklog?plaintext=true&attemptid=attempt_201206150102_0002_m_000000_2&filter=stdout > >Does anyone know what's the reason and how to resolve it? > >Best Regards, > >-- >Welcome to my ET Blog http://www.jdxyw.com > > >
