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From "Jarek Jarcec Cecho (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SQOOP-1203) Add another default case for finding *_HOME when not explicitly defined
Date Wed, 18 Sep 2013 11:22:52 GMT

    [ https://issues.apache.org/jira/browse/SQOOP-1203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13770669#comment-13770669
] 

Jarek Jarcec Cecho commented on SQOOP-1203:
-------------------------------------------

Thank you [~mgrover] for your contribution!
                
> Add another default case for finding *_HOME when not explicitly defined 
> ------------------------------------------------------------------------
>
>                 Key: SQOOP-1203
>                 URL: https://issues.apache.org/jira/browse/SQOOP-1203
>             Project: Sqoop
>          Issue Type: Improvement
>          Components: tools
>    Affects Versions: 1.4.4
>            Reporter: Mark Grover
>            Assignee: Mark Grover
>             Fix For: 1.4.5
>
>         Attachments: SQOOP-1203.1.patch
>
>
> Currently, the {{configure-sqoop}} scripts that checks the value of various _HOME variables
(e.g. HADOOP_MAPRED_HOME, HCAT_HOME, etc.) has the following heuristic:
> 1. Use the *_HOME variable's value, if defined.
> 2. If not, assign /usr/lib/<relevant location> to the variable.
> 3. If /usr/lib/<relevant location> doesn't exist, error out
> I would like to propose to modify this to add one more case before we error out.
> 1. Use the *_HOME variable's value, if defined.
> 2. If not, assign /usr/lib/<relevant location> to the *_HOME variable.
> 3. If /usr/lib/<relevant location> doesn't exist, check for hadoop and hcat at
the same directory level as sqoop
> 4. If #3 fails as well, error out.
> This is backwards compatible because it wouldn't be touching any of the existing cases.
It will just add more location to check for presence of hadoop, hcat etc. before erroring
out.

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