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Hadoop >> mail # user >> Map works well, but Redue failed


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Yongwei Xing 2012-06-14, 17:15
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Re: Map works well, but Redue failed
Most probably you have a network problem. Check your hostname and IP address mapping

>________________________________
> From: Yongwei Xing <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>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
>
>
>
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Abhishek 2012-06-16, 13:18
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Yongwei Xing 2012-06-16, 13:53