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Date: Thu, 21 Jul 2011 15:25:58 +0000 (UTC)
From: "stack (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HBASE-3465) Hbase should use a HADOOP_HOME
 environment variable if available.
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    [ https://issues.apache.org/jira/browse/HBASE-3465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13069025#comment-13069025 ] 

stack commented on HBASE-3465:
------------------------------

On 1., we use the mini test tools, minidfs, etc., but if the HADOOP_HOME is for runtime only, we should be able to get away with not needing hadoop-test*.jar.

On 2., my bad.

This patch should be good to go then AA?

> 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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