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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3465) Hbase should use a HADOOP_HOME environment variable if available.
Date Thu, 21 Jul 2011 13:25:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13068978#comment-13068978
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Alejandro Abdelnur commented on HBASE-3465:
-------------------------------------------

Thanks Stack.

On 1st comment: Does Hbase require Hadoop tests JARs? If so we should not only include it.
But the problem we'll have there is its transitive dependencies (which are not in the Hadoop's
lib).

On 2nd comment: left are right are not the same, *build* and *lib*. BTW, this is in the original
script, it shows modified (the - is before all the +).

> Hbase should use a HADOOP_HOME environment variable if available.
> -----------------------------------------------------------------
>
>                 Key: HBASE-3465
>                 URL: https://issues.apache.org/jira/browse/HBASE-3465
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.0
>            Reporter: Ted Dunning
>            Assignee: Alejandro Abdelnur
>         Attachments: a1-HBASE-3465.patch
>
>
> I have been burned a few times lately while developing code by having the make sure that
the hadoop jar in hbase/lib is exactly correct.  In my own deployment, there are actually
3 jars and a native library to keep in sync that hbase shouldn't have to know about explicitly.
 A similar problem arises when using stock hbase with CDH3 because of the security patches
changing the wire protocol.
> All of these problems could be avoided by not assuming that the hadoop library is in
the local directory.  Moreover, I think it might be possible to assemble the distribution
such that the compile time hadoop dependency is in a cognate directory to lib and is referenced
using a default value for HADOOP_HOME.
> Does anybody have any violent antipathies to such a change?

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