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Posted to mapreduce-dev@hadoop.apache.org by "Rohith Sharma K S (JIRA)" <ji...@apache.org> on 2018/02/17 19:30:04 UTC
[jira] [Created] (MAPREDUCE-7055) MR jobs are failing with Could
not find or load main class for MRAppMaster
Rohith Sharma K S created MAPREDUCE-7055:
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Summary: MR jobs are failing with Could not find or load main class for MRAppMaster
Key: MAPREDUCE-7055
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7055
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Rohith Sharma K S
It is observed that MR jobs are failing with *Error: Could not find or load main class org.apache.hadoop.mapreduce.v2.app.MRAppMaster" even though HADOOP_MAPRED_HOME is set in mapred-site.xml
Tried building tar.gz in branch-3.0 and seems works fine with same configurations. But in branch-3.1 and trunk, it is failing. I got launch_container.sh for both and compared classpath exported before launching AM. Both classpath entries are same, but AM launching is failing with above mentioned error.
Its better to confirm as 3.1 release is going to happen soon.
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