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https://issues.apache.org/jira/browse/MAPREDUCE-6783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15529432#comment-15529432
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Brahma Reddy Battula commented on MAPREDUCE-6783:
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is it dupe of MAPREDUCE-6704?
> Default setting 'inheritParentEnv=false' caused mr executor failed to
> initialize
> --------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6783
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6783
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 3.0.0-alpha1
> Reporter: DENG FEI
>
> MR default classpath depend on the "HADOOP_MAPRED_HOME" , defined at
> MRJobConfig#DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH.
> On 3.0.0.alpha1 , contain "Remove parent's env vars from child processes "
> which commit by [#Robert Kanter] ,but it's seem not found in jira or release
> note. DefaultContainerExecutor & DefaultLinuxContinerExecutor default the
> 'inheritParentEnv' as false,there is no any approach to set the
> "HADOOP_MAPRED_HOME" ,the AM failed by "Could not find or load main class
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster"
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