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https://issues.apache.org/jira/browse/GERONIMO-4590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gianny Damour updated GERONIMO-4590:
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Attachment: additional-maven-dependencies.jar
OneClassLoaderPerJar.txt
OneClassLoaderPerJar.txt is a geronimo-kernel patch.
additional-maven-dependencies.jar is a jar to be unpacked in the geronimo
repository, which include additional maven dependency declarations for specific
JAR.
> One ClassLoader per Jar Model
> -----------------------------
>
> Key: GERONIMO-4590
> URL: https://issues.apache.org/jira/browse/GERONIMO-4590
> Project: Geronimo
> Issue Type: Improvement
> Security Level: public(Regular issues)
> Components: kernel
> Affects Versions: 2.1.3
> Reporter: Gianny Damour
> Assignee: Gianny Damour
> Attachments: additional-maven-dependencies.jar,
> OneClassLoaderPerJar.txt
>
>
> As discussed on @dev, to reduce the number of ClassCastExceptions caused by
> collaborating configurations importing the same dependencies, the
> classloading design can be improved to use a shared and global poll of
> classloaders.
> Each classloader in this global poll is mapped to only one JAR. They are put
> in a hierarchy according to their maven dependency declarations. As maven
> dependencies may not be systematically correct, additional dependency
> declarations can also be provided by dropping a XML file
> "artifactId-version-additional.xml" beside the JAR or POM file
> "artifactId-version.jar (.pom)" whose dependencies are to be supplemented.
> This patch is a preview of the functionality to trigger more discussions.
> 22 out of the 74 configurations of the jetty-jee5 assembly can start fine
> with this patch. The failure observed for the failing configuration appears
> to be another maven dependency declaration issue.
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