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' -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira