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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4495) solr.xml sharedLib attribtue should take a list of paths
Date Tue, 02 Apr 2013 23:57:15 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13620418#comment-13620418
] 

Uwe Schindler commented on SOLR-4495:
-------------------------------------

Another idea (brought up in SOLR-4653) is the use of a better glob pattern syntax. My idea
was to use similar approach like ANT's fileset/classpath definitions. We can use plexus-utils-1.1.jar,
which provides DirectoryScanner that understands patterns like {{\*\*/\*.jar}}.

Also your patch is now outdated after SOLR-4652: You should not create a ClassLoader at all,
but instead add the components of classpath to the shared ResourceLoader using addToClassPath().
See the changes in SOLR-4652.
                
> solr.xml sharedLib attribtue should take a list of paths
> --------------------------------------------------------
>
>                 Key: SOLR-4495
>                 URL: https://issues.apache.org/jira/browse/SOLR-4495
>             Project: Solr
>          Issue Type: Improvement
>          Components: SolrCloud
>            Reporter: Jan H√łydahl
>              Labels: classpath, solr.xml
>             Fix For: 4.3
>
>         Attachments: SOLR-4495.patch
>
>
> solr.xml's sharedLib is a great way to add plugins that should be shared across all cores/collections.
> For increased flexibility I would like for it to take a list of paths. Then I'd put Solr's
own contrib libs in one shared folder "solrJars" and custom plugins with deps in another "customerJars".
That eases Solr upgrades, then we can simply wipe and replace all jars in "solrJars" during
upgrade.
> I realize that solr.xml is going away, and so the same request will be valid for whatever
replaces solr.xml, whether it be system prop or properties file.

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