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https://issues.apache.org/jira/browse/SLING-6258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15654186#comment-15654186
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Radu Cotescu commented on SLING-6258:
-------------------------------------
[~fmeschbe], I've tried to address your concerns in
https://svn.apache.org/r1769127. Could you please review the changes? :)
> The PackageAdminClassLoader cannot load classes from bundles providing older
> API versions
> -----------------------------------------------------------------------------------------
>
> Key: SLING-6258
> URL: https://issues.apache.org/jira/browse/SLING-6258
> Project: Sling
> Issue Type: Bug
> Components: Commons
> Affects Versions: Commons ClassLoader 1.3.2
> Reporter: Radu Cotescu
> Assignee: Radu Cotescu
> Fix For: Commons ClassLoader 1.3.6
>
>
> The {{org.apache.sling.commons.classloader.impl.PackageAdminClassLoader}}
> cannot correctly load classes that exist only in bundles providing older API
> implementations if another bundle providing the same API, but newer version,
> exists on the instance.
> Assuming bundles A and B both export {{org.example}}, A with version
> {{1.0.0}} and B with version {{2.0.0}}, when the
> {{org.apache.sling.commons.classloader.impl.PackageAdminClassLoader}} is
> queried to resolve a class only available in A, it will try to resolve it
> from B. This happens because the
> {{org.apache.sling.commons.classloader.impl.PackageAdminClassLoader}} only
> checks the bundle that provides the highest API (in terms of version number)
> of the class' providing package.
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