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https://issues.apache.org/jira/browse/FELIX-2520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Felix Meschberger closed FELIX-2520.
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Apache Felix Declarative Services 1.6.0 has been released. The issues are now
closed.
> Bind method selection must not expect the component's bundle to import the
> service interface type
> -------------------------------------------------------------------------------------------------
>
> Key: FELIX-2520
> URL: https://issues.apache.org/jira/browse/FELIX-2520
> Project: Felix
> Issue Type: Bug
> Components: Declarative Services (SCR), Specification compliance
> Affects Versions: scr-1.4.0
> Reporter: Felix Meschberger
> Assignee: Felix Meschberger
> Fix For: scr-1.6.0
>
>
> Our Declarative Services implementation tries to load the type of the bound
> service through the class loader of the component. This has the side-effect
> of expecting the component's bundle to actually import (and wire to) the
> package providing the interface.
> On the other hand the Declarative Services specification states, that a
> bind/unbind method is acceptable if "the type of the argument is assignable
> from the type specified by the reference's interface attribute" (OSGi
> Compendium R4.2, Section 112.3.1, Accessing Services). This does not imply
> that the component must know the service type but a supertype of the service
> type.
> For example the CT contains a test where the component's bind method expects
> an Object type parameter (which is certainly assignable from any type) but
> the component's bundle does not import the actual interface type. Thus with
> the current implementation the CT test fails.
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