Hi Carsten,
I have installed the newest SCR bundle (Rev 612379). The line numbers have changed, but the problem still persists:

java.lang.IllegalArgumentException: argument type mismatch
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.felix.scr.impl.DependencyManager.invokeBindMethod(DependencyManager.java:873) at org.apache.felix.scr.impl.DependencyManager.bind(DependencyManager.java:655) at org.apache.felix.scr.impl.ImmediateComponentManager.createImplementationObject(ImmediateComponentManager.java:204) at org.apache.felix.scr.impl.ImmediateComponentManager.createComponent(ImmediateComponentManager.java:134) at org.apache.felix.scr.impl.AbstractComponentManager.activateInternal(AbstractComponentManager.java:402) at org.apache.felix.scr.impl.AbstractComponentManager.enableInternal(AbstractComponentManager.java:323) at org.apache.felix.scr.impl.AbstractComponentManager.access$000(AbstractComponentManager.java:36) at org.apache.felix.scr.impl.AbstractComponentManager$1.run(AbstractComponentManager.java:94) at org.apache.felix.scr.impl.ComponentActorThread.run(ComponentActorThread.java:85) 17.01.2008 16:38:12 *ERROR* o.a.f.scr: Unexpected problem executing task (java.lang.NullPointerException)
java.lang.NullPointerException
at org.apache.felix.scr.impl.ImmediateComponentManager.disposeImplementationObject(ImmediateComponentManager.java:271) at org.apache.felix.scr.impl.ImmediateComponentManager.deleteComponent(ImmediateComponentManager.java:151) at org.apache.felix.scr.impl.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:469) at org.apache.felix.scr.impl.AbstractComponentManager.disableInternal(AbstractComponentManager.java:486) at org.apache.felix.scr.impl.AbstractComponentManager.enableInternal(AbstractComponentManager.java:331) at org.apache.felix.scr.impl.AbstractComponentManager.access$000(AbstractComponentManager.java:36) at org.apache.felix.scr.impl.AbstractComponentManager$1.run(AbstractComponentManager.java:94) at org.apache.felix.scr.impl.ComponentActorThread.run(ComponentActorThread.java:85)

Do I need to update anything else? Let me add that I'm able to get a reference if I use the following:

/**
 * @scr.reference
*/
private Repository repository;

Is it possible that the SLingRepository service is not available and that this has lead to the problem? I have checked the components page in the Sling console and have a factory for both: javax.jxr.Repository and org.apache.sling.jcr.api.SlingRepository

Regards,
Alex



Carsten Ziegeler schrieb:
Hi,

Alexander Saar wrote:
Hi all,
not sure if this is the right place to ask as this is somehow OSGi related, but I'm currently working on a service that integrates via SCR and tries which has a reference to the SlingRepository service.

I used the following code:

/**
* @scr.reference
*/
private SlingRepository repository;

protected void bindRepository(SlingRepository repository) {
   this.repository = repository;
}

just as a minor improvement: you don't need to write the bind method,
the scr plugin will generate it for you (like it generates the unbind method as well).

Apart from that, I think I've seen this problem in an older version of the SCR implementation (not the plugin). The line numbers from your stacktrace do not match latest from Felix svn. So I suggest to check
latest SCR first.

Carsten

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