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https://issues.apache.org/jira/browse/SLING-5014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14738846#comment-14738846
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Carsten Ziegeler commented on SLING-5014:
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the uninstall directive is not handled by the installer, therefore the
installer has zero knowledge of this directive.
> Uninstall directive in provisioning model might just lead to downgrade of
> bundle
> --------------------------------------------------------------------------------
>
> Key: SLING-5014
> URL: https://issues.apache.org/jira/browse/SLING-5014
> Project: Sling
> Issue Type: Bug
> Components: Installer
> Reporter: Dominik Süß
>
> In case a bundle has mutliple install candiates only the highest version
> (with the highest priorty for the same versions) wins. An uninstall directive
> uninstalls this version. The way the OSGi install behavior is defined this
> lets the next artifact in the priority queue to get active and consequently
> only leads to downgrade to the next in the queue.
> As the uninstall directive declares a range that should be uninstalled the
> expectation is that after a startup with such an uninstall directive none of
> the delcared versions are in an installed state. In consequence the OSGi
> installer must save this metainformation in the state that prevents a
> downgrade to a version that is part of an active uninstall directive.
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