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From "Shawn Jiang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GERONIMO-5744) bundle urls and 3rd party libraries
Date Wed, 31 Aug 2011 08:13:10 GMT

    [ https://issues.apache.org/jira/browse/GERONIMO-5744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13094372#comment-13094372
] 

Shawn Jiang commented on GERONIMO-5744:
---------------------------------------

Since more an more 3rd app need to set this properties to work correctly.   We need to set
default "org.apache.geronimo.equinox.useURLClassLoader" system property to "true".  

the first step would to do a TCK with this option on.

> bundle urls and 3rd party libraries
> -----------------------------------
>
>                 Key: GERONIMO-5744
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-5744
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues) 
>          Components: deployment
>    Affects Versions: 3.0
>            Reporter: Jarek Gawor
>         Attachments: GERONIMO-5744.patch
>
>
> Resource lookup in Geronimo 3.0 returns "bundle" type of urls. However, a lot of Geronimo
code and a number of third party libraries assumes that urls returned by resource lookup return
"jar" or "file" type of urls. Because of this difference a lot of applications might not work
properly on Geronimo 3.0. The Geronimo specific code has mostly been updated to use OSGi-friendly
ways to look for resources. However, we can't expect every 3rd party library to be updated
to be OSGi friendly. So we might need a solution that can return "jar" or "file" urls that
works with most libraries.
> One possible solution is to use the BundleResourceClassLoader in the xbean-bundleutils
project (currently used in the OpenJPA plugin). That solution could be enhanced with Equinox-specific
extension (URLConverter service) that can convert "bundle" urls directly into "jar" or "file"
urls (using the jars in its bundle cache).

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