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https://issues.apache.org/jira/browse/ARIES-1109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13755940#comment-13755940
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Stephan Siano commented on ARIES-1109:
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You are right, there seem to be additional prerequisites. However, I could also
reproduce the issue with the latest 1.0.1-SNAPSHOT version of subsystem.core.
The other prerequisites seem to be that a subsystem installation must have been
failed before (e.g. because the dependency could not be resolved), then
installations must have been successful. Furthermore the container must have
been restarted afterwards.
I could reproduce the issue by first trying to install attached subsystem b
(which fails) then install a and then b (now successful) afterwards I leave the
container with exit.
If I then install subsystem c, this will get subsystem id 1.
> Duplicate subsystem ids after restart of subsystem.core
> -------------------------------------------------------
>
> Key: ARIES-1109
> URL: https://issues.apache.org/jira/browse/ARIES-1109
> Project: Aries
> Issue Type: Bug
> Components: Subsystem
> Reporter: Stephan Siano
> Attachments: a.esa, b.esa, c.esa
>
>
> aries subsystems will generate duplicate subsystem ids if the subsystem core
> bundle (or the container) is restarted.
> Reproduction is quite easy:
> 1. install a subsystem -> this will get subsystem id 1
> 2. stop the org.apache.aries.subsystem.core bundle (or the OSGi container)
> 3. start the org.apache.aries.subsystem.core bundle (or the OSGi container)
> -> the subsystem installed in step 1 is still there and has id 1
> 4. Install another subsystem (different from the first)
> -> This will also get Id 1
> I think the error is in line 150 of the
> org.apache.subsystems.core.internal.Subsystems class. There the static lastId
> counter of the SubsystemIdentifier class is set to 0 before actually
> populating the root subsystem.
> Maybe this should be set to the maximum id of the installed subsystems during
> or after the population of the root subsystem
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