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From "Subho Banerjee (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8688) Hadoop in Pseudo-Distributed mode on Mac OS X 10.8
Date Mon, 13 Aug 2012 03:44:37 GMT
Subho Banerjee created HADOOP-8688:
--------------------------------------

             Summary: Hadoop in Pseudo-Distributed mode on Mac OS X 10.8
                 Key: HADOOP-8688
                 URL: https://issues.apache.org/jira/browse/HADOOP-8688
             Project: Hadoop Common
          Issue Type: Bug
         Environment: Mac OS X 10.8, Java_1.6.0_33-b03-424
            Reporter: Subho Banerjee
            Priority: Minor


When running hadoop on pseudo-distributed mode, the map seems to work, but it cannot compute
the reduce.

12/08/13 08:58:12 INFO mapred.JobClient: Running job: job_201208130857_0001
12/08/13 08:58:13 INFO mapred.JobClient:  map 0% reduce 0%
12/08/13 08:58:27 INFO mapred.JobClient:  map 20% reduce 0%
12/08/13 08:58:33 INFO mapred.JobClient:  map 30% reduce 0%
12/08/13 08:58:36 INFO mapred.JobClient:  map 40% reduce 0%
12/08/13 08:58:39 INFO mapred.JobClient:  map 50% reduce 0%
12/08/13 08:58:42 INFO mapred.JobClient:  map 60% reduce 0%
12/08/13 08:58:45 INFO mapred.JobClient:  map 70% reduce 0%
12/08/13 08:58:48 INFO mapred.JobClient:  map 80% reduce 0%
12/08/13 08:58:51 INFO mapred.JobClient:  map 90% reduce 0%
12/08/13 08:58:54 INFO mapred.JobClient:  map 100% reduce 0%
12/08/13 08:59:14 INFO mapred.JobClient: Task Id : attempt_201208130857_0001_m_000000_0, Status
: FAILED
Too many fetch-failures
12/08/13 08:59:14 WARN mapred.JobClient: Error reading task outputServer returned HTTP response
code: 403 for URL: http://10.1.66.17:50060/tasklog?plaintext=true&attemptid=attempt_201208130857_0001_m_000000_0&filter=stdout
12/08/13 08:59:14 WARN mapred.JobClient: Error reading task outputServer returned HTTP response
code: 403 for URL: http://10.1.66.17:50060/tasklog?plaintext=true&attemptid=attempt_201208130857_0001_m_000000_0&filter=stderr
12/08/13 08:59:18 INFO mapred.JobClient:  map 89% reduce 0%
12/08/13 08:59:21 INFO mapred.JobClient:  map 100% reduce 0%
12/08/13 09:00:14 INFO mapred.JobClient: Task Id : attempt_201208130857_0001_m_000001_0, Status
: FAILED
Too many fetch-failures

Here is what I get when I try to see the tasklog using the links given in the output

http://10.1.66.17:50060/tasklog?plaintext=true&attemptid=attempt_201208130857_0001_m_000000_0&filter=stderr
--->
2012-08-13 08:58:39.189 java[74092:1203] Unable to load realm info from SCDynamicStore

http://10.1.66.17:50060/tasklog?plaintext=true&attemptid=attempt_201208130857_0001_m_000000_0&filter=stdout
--->


I have changed my hadoop-env.sh acoording to Mathew Buckett in https://issues.apache.org/jira/browse/HADOOP-7489

Also this error of Unable to load realm info from SCDynamicStore does not show up when I do
'hadoop namenode -format' or 'start-all.sh'

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