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From "Guillaume Nodet (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ARIES-843) Bean can not be created if constructor argument use generics
Date Wed, 25 Jul 2012 08:54:34 GMT

     [ 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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