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https://issues.apache.org/jira/browse/HADOOP-4090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12629135#action_12629135
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Steve Loughran commented on HADOOP-4090:
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> we can also calculate the location of the hadoop shell script from the
> location of the hive script itself. that is generally what hadoop itself does
> by finding things relative to itself.
that's risky -it is making a lot of assumptions about how hadoop has been
deployed, assumptions that break on RPM or similar OS-integrated packagings.
Better to rely on the env variable and be done with it. Certainly its easier to
test, which is always good.
> 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
> Affects Versions: 0.19.0
> Reporter: Ashish Thusoo
> Priority: Minor
> Attachments: hadoop-4090.2.patch, hadoop-4090.patch
>
>
> 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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