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Posted to dev@felix.apache.org by "Jarek Gawor (Issue Comment Edited) (JIRA)" <ji...@apache.org> on 2011/12/21 02:39:30 UTC
[jira] [Issue Comment Edited] (FELIX-3288) NPE when component
exposed as a service with servicefactory = true
[ https://issues.apache.org/jira/browse/FELIX-3288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173758#comment-13173758 ]
Jarek Gawor edited comment on FELIX-3288 at 12/21/11 1:38 AM:
--------------------------------------------------------------
I just selected a wrong version by mistake.
was (Author: gawor@mcs.anl.gov):
I just selected a wrong version my mistake.
> NPE when component exposed as a service with servicefactory = true
> ------------------------------------------------------------------
>
> Key: FELIX-3288
> URL: https://issues.apache.org/jira/browse/FELIX-3288
> Project: Felix
> Issue Type: Bug
> Components: Declarative Services (SCR)
> Affects Versions: scr-1.6.0
> Reporter: Jarek Gawor
>
> I have a component that is exposed as a service and is also configured with servicefactory = true. I see the following NPE when shutting the framework:
> java.lang.NullPointerException
> at org.apache.felix.scr.impl.manager.ImmediateComponentManager.disposeImplementationObject(ImmediateComponentManager.java:252)
> at org.apache.felix.scr.impl.manager.ImmediateComponentManager.deleteComponent(ImmediateComponentManager.java:135)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager$Satisfied.deactivate(AbstractComponentManager.java:1075)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager.disposeInternal(AbstractComponentManager.java:357)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager.dispose(AbstractComponentManager.java:196)
> at org.apache.felix.scr.impl.config.ConfiguredComponentHolder.disposeComponents(ConfiguredComponentHolder.java:299)
> at org.apache.felix.scr.impl.BundleComponentActivator.dispose(BundleComponentActivator.java:319)
> at org.apache.felix.scr.impl.Activator.disposeComponents(Activator.java:340)
> at org.apache.felix.scr.impl.Activator.bundleChanged(Activator.java:207)
> Since the component is configured with servicefactory = true, ServiceFactoryComponentManager is used to manage the object. ServiceFactoryComponentManager overrides the createComponent() method from ImmediateComponentManager. ServiceFactoryComponentManager also intended (I think) to override the corresponding deleteComponent() method from ImmediateComponentManager. However, the signature of the deleteComponent() in ImmediateComponentManager has changed a bit so the override doesn't work anymore. So that's what I think is causing the problem in this case.
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