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https://issues.apache.org/jira/browse/SLING-5014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15587722#comment-15587722
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Carsten Ziegeler commented on SLING-5014:
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Thanks for the patch [~dsuess]
I think there shouldn't be a need to change the API to add this functionality.
The blacklist can be checked in different places, with the patch it is checked
more or less in the middle. I think we should either do it before or after :)
There are three steps:
- detecting a resource through the transformer - we could blacklist directly
after this and discard the resource immediately
- state handling (this is where the patch is doing the work right now)
- task creation - we could also discard the bundles directly here and and set
the state accordingly
> Installer blacklist, to avoid reinstalling older bundles
> --------------------------------------------------------
>
> Key: SLING-5014
> URL: https://issues.apache.org/jira/browse/SLING-5014
> Project: Sling
> Issue Type: Bug
> Components: Installer
> Affects Versions: Installer Core 3.6.6
> Reporter: Dominik Süß
> Fix For: Installer Core 3.6.10
>
> Attachments: SLING-5014-1.diff
>
>
> In case a bundle has mutliple install candiates only the highest version
> (with the highest priorty for the same versions) wins. An uninstall directive
> in the Sling bootstrap.txt file or provisioning model 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 declared 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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