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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-708) Modify ClassLoader to support different applications / multi-tenancy
Date Wed, 21 Nov 2012 22:50:58 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13502395#comment-13502395
] 

Keith Turner commented on ACCUMULO-708:
---------------------------------------

bq. I don't think that works. I checked out a clean copy of TRUNK, applied the patch, and
uncommented the ACCUMULO_HOME system env setting in the pom.xml file. A couple of tests fail
looking for the conf/accumulo-site.xml file. The conf/accumulo-site.xml file doesn't exist
on a clean checkout.

Good catch.  If ACCUMULO_HOME is only needed by a unit test for the old classloader, and we
are going to get rid of the old class loader, then maybe you could just drop that unit test
before checking the code in.  Just need to make sure that what that old unit test does is
also done by the new unit test.   
                
> Modify ClassLoader to support different applications / multi-tenancy
> --------------------------------------------------------------------
>
>                 Key: ACCUMULO-708
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-708
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: start
>            Reporter: Dave Marion
>            Assignee: Dave Marion
>              Labels: classloader
>             Fix For: 1.5.0
>
>         Attachments: ACCUMULO-708-1.patch, ACCUMULO-708-2.patch, ACCUMULO-708-3.patch,
HelloWorld.jar
>
>   Original Estimate: 24h
>          Time Spent: 33h
>  Remaining Estimate: 0h
>
> I'd like to expand the current classloader to support loading classes from HDFS and different
application contexts. I'll be modifying the ticket as the idea matures.

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