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https://issues.apache.org/jira/browse/HADOOP-4090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12628726#action_12628726
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Doug Cutting commented on HADOOP-4090:
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> All of this can be replaced by just HADOOP_HOME env variable which is already
> used by hadoop.
+1 We should converge on a single mechanism, using the same environment
variable. HADOOP_HOME should trump what's on PATH, just as JAVA_HOME trumps
any java executables on PATH.
> The configuration file lists two paths to hadoop directories (bin and conf).
> Startup should check that these are valid directories and give appropriate
> messages.
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-4090
> URL: https://issues.apache.org/jira/browse/HADOOP-4090
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/hive
> Reporter: Ashish Thusoo
> Priority: Minor
>
> The configuration file lists two paths to hadoop directories (bin and conf).
> Startup should check that these are valid directories and give appropriate
> messages.
> Reported by Chad.
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