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Date: Wed, 1 Nov 2006 15:19:57 -0800 (PST)
From: "Simone Gianni (JIRA)" <jira@apache.org>
To: dev@cocoon.apache.org
Subject: [jira] Commented: (COCOON-1929) [PATCH] Reloading classloader in
 Cocoon 2.2
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    [ http://issues.apache.org/jira/browse/COCOON-1929?page=comments#action_12446402 ] 
            
Simone Gianni commented on COCOON-1929:
---------------------------------------

Tested file cocoon-core-r469213.diff, seems to work correctly.

> [PATCH] Reloading classloader in Cocoon 2.2
> -------------------------------------------
>
>                 Key: COCOON-1929
>                 URL: http://issues.apache.org/jira/browse/COCOON-1929
>             Project: Cocoon
>          Issue Type: Task
>          Components: * Cocoon Core
>    Affects Versions: 2.2-dev (Current SVN)
>            Reporter: Maurizio Pillitu
>         Attachments: cocoon-core-r469213.diff, cocoon-r469167.diff, cocoon.diff
>
>
> The attached patch provides a first implementation to enable reloading classloader configuration into the sitemap, using the sitemap syntax used in blocks/cocoon-core-sample/cocoon-core-main-sample/src/main/resources/COB-INF/sitemap.xmap.
> Referring to CocoonGT 2005 Torsten's code, I moved all the JCI listener configuration into the ReloadingClassLoaderFactory class, that is in charge to parse the classloader configuration (filled by AvalonUtils class) and instanciate all the JCI listeners.
> The TreeProcessor component is subscribed to the JCI listeners, in order to reload the component definitions when a file change event is triggered.
> The patch provides also a sample : http://localhost:8888/blocks/cocoon-core-main-sample/reloading/
> Try to change MyGenerator.java and compile it into blocks/cocoon-core-sample/cocoon-core-main-sample/target/classes (default eclipse location); if you need to change the location of the .class folder, edit the cocoon-core-main-sample sitemap.xmap.
> core.
> Obviously there are many parts of the code that can be optimized.
> The patch has been applied on revision 453682.
> NOTE!
> 1. I decided to provide the reloading class functionality only for dev mode, so, in order to get it working, you need to run the cocoon application with -Dorg.apache.cocoon.mode=dev
> 2. The patch depends on a bugfix on Commons JCI (https://issues.apache.org/jira/browse/SANDBOX-174), so it's necessary to build jci-core from trunk; the patch will update the cocoon-bootstrap dependency to jci.

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