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https://issues.apache.org/jira/browse/GERONIMO-5744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13053634#comment-13053634
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Jarek Gawor commented on GERONIMO-5744:
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I committed the patch with some additional changes / simplifications to trunk
in revision 1138728. By default the Equinox-specific classloader is not
enabled. It can be enabled by setting the
"org.apache.geronimo.equinox.useURLClassLoader" system property to "true". We
can change this default in the future after a bit more testing.
> 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-M2
> 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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