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https://issues.apache.org/jira/browse/FELIX-464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Felix Meschberger updated FELIX-464:
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Fix Version/s: (was: felix-1.0.0)
scr-1.0.0
> Cannot retrieve service to be unbound in unbind method taking ServiceReference
> ------------------------------------------------------------------------------
>
> Key: FELIX-464
> URL: https://issues.apache.org/jira/browse/FELIX-464
> Project: Felix
> Issue Type: Bug
> Components: Declarative Services (SCR)
> Reporter: Felix Meschberger
> Assignee: Felix Meschberger
> Fix For: scr-1.0.0
>
>
> Sometimes, the service about to be unbound needs to be retrieved from the
> ComponentContext if the unbind method takes the ServiceReference instead of
> the service object itself. In these cases, the service fails to be returned
> because the AbstractComponentManager.getDependencyManager(String) only
> returns DependencyManager instances whose size is not zero.
> This now constitutes a race condition, as the service count has already been
> decremented in the DependencyManager when the unbind method is called. The
> service itself, though, is actually still available.
> The fix is to always return any available DependencyManager regardless of the
> perceived size. The DependencyManager will then return the service or not
> dependending on whether the service is still available.
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