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Posted to dev@aries.apache.org by "Guillaume Nodet (JIRA)" <ji...@apache.org> on 2012/07/25 10:54:34 UTC
[jira] [Resolved] (ARIES-843) Bean can not be created if
constructor argument use generics
[ https://issues.apache.org/jira/browse/ARIES-843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Guillaume Nodet resolved ARIES-843.
-----------------------------------
Resolution: Fixed
Fix Version/s: blueprint-core-1.0.1
Assignee: Guillaume Nodet
Added a unit test in http://svn.apache.org/viewvc?rev=1365492&view=rev to check the ARIES-834 fix works with this use case too.
> Bean can not be created if constructor argument use generics
> ------------------------------------------------------------
>
> Key: ARIES-843
> URL: https://issues.apache.org/jira/browse/ARIES-843
> Project: Aries
> Issue Type: Bug
> Components: Blueprint
> Affects Versions: 0.3
> Reporter: Tomas Forsman
> Assignee: Guillaume Nodet
> Fix For: blueprint-core-1.0.1
>
>
> If a bean has a constructor argument which use generics, the injection fails with "org.osgi.service.blueprint.container.ComponentDefinitionException: Unable to find a matching constructor".
> Example:
> package example;
> public interface Example<A> {}
> public class ExampleImpl implements Example<String> {}
> public class Service {
> private Example<String> example;
> public Service(Example<String> example) {
> this.example = example;
> }
> }
> <bean id="exampleBean" class="example.ExampleImpl"/>
> <bean id="serviceBean" class="example.Service">
> <argument ref="exampleBean"/>
> </bean>
> Changing the constructor of Service to "public Service(Example example)" make it work, but it would be better to have it inject correctly with the generics intact.
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