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https://issues.apache.org/jira/browse/SLING-9172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17061663#comment-17061663
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Bertrand Delacretaz edited comment on SLING-9172 at 3/18/20, 12:07 PM:
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bq. It would be nice to mention explicity in the documentation what happens if
the property `sling.installer.multiversion=true` is toggled on an already
existing instance.
Good point! I think blocking this case, with the installer storing and refusing
to change that setting after the first startup would be the safest option.
was (Author: bdelacretaz):
bq. It would be nice to mention explicity in the documentation what happens if
the property `sling.installer.multiversion=true` is toggled on an already
existing instance.
Good point! I think blocking this case, with the installer storing and refusing
to change that setting, would be the safest option.
> Allow Sling Installer to install and handle multiple versions of bundles
> instead of updating
> --------------------------------------------------------------------------------------------
>
> Key: SLING-9172
> URL: https://issues.apache.org/jira/browse/SLING-9172
> Project: Sling
> Issue Type: Improvement
> Components: Installer
> Affects Versions: Installer Core 3.10.2
> Reporter: Dominik Süß
> Assignee: Carsten Ziegeler
> Priority: Major
> Labels: Sling-12-ReleaseNotes
> Fix For: Installer Core 3.11.0
>
> Time Spent: 4.5h
> Remaining Estimate: 0h
>
> Sling Installer currently always updates bundles when different versions of
> bundles get installed. Since Apache Felix does support multiple versions of
> bundles to exist in parallel it should be possible to change the behavior
> with via property to install and uninstall multiple versions in parallel
> instead of updating them.
> To achieve this two changes are required:
> a) DefaultTransformer should change the EntityID of bundles to include the
> version to make sure the state handling of Installer handles each version as
> own entity
> b) BundleTaskCreator must be adjusted to create install task over update task
> as the detection currently checks for the existence of BSN
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