[jira] [Assigned] (FELIX-6212) Issues with uses capability checking with split packages and reexport

["Karl Pauls (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FELIX-6212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karl Pauls reassigned FELIX-6212:
---------------------------------

    Assignee: Tom Watson

> Issues with uses capability checking with split packages and reexport
> ---------------------------------------------------------------------
>
>                 Key: FELIX-6212
>                 URL: https://issues.apache.org/jira/browse/FELIX-6212
>             Project: Felix
>          Issue Type: Bug
>          Components: Resolver
>    Affects Versions: resolver-1.16.0
>            Reporter: Tom Watson
>            Assignee: Tom Watson
>            Priority: Major
>             Fix For: resolver-2.0.2
>
>
> First found in Eclipse bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=559118
> If a bundle A reexports multiple bundles (B and C) that export the same package Y (which is a split package) and another bundle D requires A and exports package X and package X uses Y then issues occur resolving bundles that require package X and only get wired to one of the parts of the split package Y.
> The scenario is horrible and uses one of the most obnoxious trifecta of "features" of OSGi which is the use of a split package, require-bundle and a visibility of reexport.  When determining the compatibility of the used packages the resolver is supposed to detect if the used packages are subsets of each other.  The logic is getting all messed up here because each reexport is making the used package set of sources only include a single part of the package.  This can lead to cases where the subset check fails.
> I have a testcase and fix ready to go.



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