[jira] Commented: (SLING-254) Launchpad war should optionally use an external Repository, without requiring a change of bundles

["Bertrand Delacretaz (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SLING-254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12569837#action_12569837 ] 

Bertrand Delacretaz commented on SLING-254:
-------------------------------------------

Thinking about it, it might be easier to enhance the jackrabbit-server bundle to optionally acquire a Repository via JNDI or RMI, based on an environment property.

The code required to do this is trivial, and it'd be less confusing than fighting with two bundles which potentially provide the same service.

> Launchpad war should optionally use an external Repository, without requiring a change of bundles
> -------------------------------------------------------------------------------------------------
>
>                 Key: SLING-254
>                 URL: https://issues.apache.org/jira/browse/SLING-254
>             Project: Sling
>          Issue Type: Improvement
>          Components: Launchpad
>            Reporter: Bertrand Delacretaz
>            Assignee: Bertrand Delacretaz
>
> It would be useful to allow the Launchpad to use an external Repository (accessed via JNDI or RMI), without having to modify the war file or load/unload bundles.
> I'll search for a solution along these lines:
> 1) Launchpad includes both the jackrabbit-server (embedded repository) and jackrabbit-client (access to external repositories via JNDI or RMI) bundles, but by default the jackrabbit-client does not provide a Repository.
> 2) At startup, the Sling class searches the classpath and/or environment for additional configuration properties
> 3) A specific configuration property prevents the jackrabbit-server bundle from providing a Repository, and lets the jackrabbit-client provide it.
> In this way, the web container could be setup in advance to define which Repository to use, and new releases of the launchpad war file could be dropped in without requiring any configuration or war file changes.

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