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Posted to users@felix.apache.org by clement escoffier <cl...@gmail.com> on 2011/02/01 19:44:39 UTC
Re: iPojo inner class instrumentation
Hi,
2011/1/31 Bigard Olivier <ob...@axway.com>
> Hi Clément,
>
> We tried to execute your sample in our environment: it produced the same
> error described below.
> We just modified a little your sources to make them run: we add a C4 Bundle
> that contains an iPojo instance that calls C3 "getFilter()" method in its
> "validate" callback.
> We created one OSGi Bundle per component.
> You can find these 4 OSGi Bundles in attachments.
> Can you try to do following:
> - start the 4 Bundles (C4 "validate" callback is correctly called)
> -> "My filter ... called" is produced in standard output
> - stop C1 and C2 Bundles
> - restart C1 and C2 Bundles
> - "validate" callback is not correctly called -> only "My filter
> ..." is produced in standard output and the stacktrace below is produced
>
>
Thanks,
I will look into it !
Regards,
Clement
> Thanks
> Olivier
>
> -----Message d'origine-----
> De : Clement Escoffier [mailto:clement.escoffier@gmail.com]
> Envoyé : vendredi 28 janvier 2011 17:28
> À : Apache Felix - Users Mailing List
> Objet : Re: iPojo inner class instrumentation
>
> Hi,
>
> Invalid Bundle Context means that the bundle is stopping or already
> stopped, and so is not able to access the service registry anymore. Is it
> your case?
>
> Regards,
>
> Clement
>
> On 28.01.11 17:11, "Bigard Olivier" <ob...@axway.com> wrote:
>
> >Hi Clément,
> >
> >Sorry to answer so late, but we just test your proposal.
> >
> >We tried to disable "proxy" on C2 as suggested below, but no positive
> >effect.
> >
> >After that we tried to test our use-case with last 1.8.0 iPojo version.
> >We still had an exception, but with more information. Here it is:
> >
> > java.lang.IllegalStateException: Cannot create the Nullable object,
> >an unexpected error occurs: Invalid BundleContext.
> > at
> >org.apache.felix.ipojo.handlers.dependency.Dependency.createNullableObject
> >(Dependency.java:377)
> > at
> >org.apache.felix.ipojo.handlers.dependency.Dependency.createServiceObject(
> >Dependency.java:656)
> > at
> >org.apache.felix.ipojo.handlers.dependency.Dependency.onGet(Dependency.jav
> >a:632)
> > at
> >org.apache.felix.ipojo.InstanceManager.onGet(InstanceManager.java:1035)
> > at
> >c4z.usecase.consumer.UseCaseConsumer.__getprovider(UseCaseConsumer.java)
> > at
> >c4z.usecase.consumer.UseCaseConsumer.__authenticate(UseCaseConsumer.java:3
> >7)
> > at
> >c4z.usecase.consumer.UseCaseConsumer.authenticate(UseCaseConsumer.java)
> > at
> >c4z.usecase.rest.RestApiProviderKO$1.authenticate(RestApiProviderKO.java:6
> >7)
> > at
> >c4z.usecase.rest.MyRestApiListener.__addApi(MyRestApiListener.java:49)
> > at
> >c4z.usecase.rest.MyRestApiListener.addApi(MyRestApiListener.java)
> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> >Method)
> > at
> >sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
> >39)
> > at
> >sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorIm
> >pl.java:25)
> > at java.lang.reflect.Method.invoke(Method.java:597)
> > at
> >org.apache.felix.ipojo.util.Callback.call(Callback.java:237)
> > at
> >org.apache.felix.ipojo.handlers.dependency.DependencyCallback.call(Depende
> >ncyCallback.java:237)
> > at
> >org.apache.felix.ipojo.handlers.dependency.Dependency.invokeCallback(Depen
> >dency.java:312)
> > at
> >org.apache.felix.ipojo.handlers.dependency.Dependency.callBindMethod(Depen
> >dency.java:354)
> > at
> >org.apache.felix.ipojo.handlers.dependency.Dependency.onServiceArrival(Dep
> >endency.java:475)
> > at
> >org.apache.felix.ipojo.util.DependencyModel.manageArrival(DependencyModel.
> >java:392)
> > at
> >org.apache.felix.ipojo.util.DependencyModel.addedService(DependencyModel.j
> >ava:335)
> > at
> >org.apache.felix.ipojo.util.Tracker$Tracked.trackAdding(Tracker.java:725)
> > at
> >org.apache.felix.ipojo.util.Tracker$Tracked.track(Tracker.java:686)
> > at
> >org.apache.felix.ipojo.util.Tracker$Tracked.serviceChanged(Tracker.java:64
> >7)
> > at
> >org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallb
> >ack(EventDispatcher.java:864)
> > at
> >org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(Event
> >Dispatcher.java:732)
> > at
> >org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDisp
> >atcher.java:662)
> > at
> >org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3726)
> > at
> >org.apache.felix.framework.Felix.access$000(Felix.java:80)
> > at
> >org.apache.felix.framework.Felix$2.serviceChanged(Felix.java:717)
> > at
> >org.apache.felix.framework.ServiceRegistry.registerService(ServiceRegistry
> >.java:107)
> > at
> >org.apache.felix.framework.Felix.registerService(Felix.java:2847)
> > at
> >org.apache.felix.framework.BundleContextImpl.registerService(BundleContext
> >Impl.java:251)
> > at
> >org.apache.felix.ipojo.IPojoContext.registerService(IPojoContext.java:338)
> > at
> >org.apache.felix.ipojo.handlers.providedservice.ProvidedService.registerSe
> >rvice(ProvidedService.java:345)
> > at
> >org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.__s
> >tateChanged(ProvidedServiceHandler.java:494)
> > at
> >org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.sta
> >teChanged(ProvidedServiceHandler.java)
> > at
> >org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:471)
> > at
> >org.apache.felix.ipojo.InstanceManager.stateChanged(InstanceManager.java:1
> >314)
> > at
> >org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:496)
> > at
> >org.apache.felix.ipojo.HandlerManager.stateChanged(HandlerManager.java:239
> >)
> > at
> >org.apache.felix.ipojo.Handler.setValidity(Handler.java:174)
> > at
> >org.apache.felix.ipojo.handlers.dependency.DependencyHandler.__checkContex
> >t(DependencyHandler.java:186)
> > at
> >org.apache.felix.ipojo.handlers.dependency.DependencyHandler.checkContext(
> >DependencyHandler.java)
> > at
> >org.apache.felix.ipojo.handlers.dependency.DependencyHandler.__validate(De
> >pendencyHandler.java:149)
> > at
> >org.apache.felix.ipojo.handlers.dependency.DependencyHandler.validate(Depe
> >ndencyHandler.java)
> > at
> >org.apache.felix.ipojo.util.DependencyModel.validate(DependencyModel.java:
> >642)
> > at
> >org.apache.felix.ipojo.util.DependencyModel.computeDependencyState(Depende
> >ncyModel.java:310)
> > at
> >org.apache.felix.ipojo.util.DependencyModel.manageArrival(DependencyModel.
> >java:399)
> > at
> >org.apache.felix.ipojo.util.DependencyModel.addedService(DependencyModel.j
> >ava:335)
> > at
> >org.apache.felix.ipojo.util.Tracker$Tracked.trackAdding(Tracker.java:725)
> > at
> >org.apache.felix.ipojo.util.Tracker$Tracked.track(Tracker.java:686)
> > at
> >org.apache.felix.ipojo.util.Tracker$Tracked.serviceChanged(Tracker.java:64
> >7)
> > at
> >org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallb
> >ack(EventDispatcher.java:864)
> > at
> >org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(Event
> >Dispatcher.java:732)
> > at
> >org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDisp
> >atcher.java:662)
> > at
> >org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3726)
> > at
> >org.apache.felix.framework.Felix.access$000(Felix.java:80)
> > at
> >org.apache.felix.framework.Felix$2.serviceChanged(Felix.java:717)
> > at
> >org.apache.felix.framework.ServiceRegistry.registerService(ServiceRegistry
> >.java:107)
> > at
> >org.apache.felix.framework.Felix.registerService(Felix.java:2847)
> > at
> >org.apache.felix.framework.BundleContextImpl.registerService(BundleContext
> >Impl.java:251)
> > at
> >org.apache.felix.ipojo.IPojoContext.registerService(IPojoContext.java:338)
> > at
> >org.apache.felix.ipojo.handlers.providedservice.ProvidedService.registerSe
> >rvice(ProvidedService.java:345)
> > at
> >org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.__s
> >tateChanged(ProvidedServiceHandler.java:494)
> > at
> >org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.sta
> >teChanged(ProvidedServiceHandler.java)
> > at
> >org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:471)
> > at
> >org.apache.felix.ipojo.InstanceManager.stateChanged(InstanceManager.java:1
> >314)
> > at
> >org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:496)
> > at
> >org.apache.felix.ipojo.HandlerManager.stateChanged(HandlerManager.java:239
> >)
> > at
> >org.apache.felix.ipojo.Handler.setValidity(Handler.java:174)
> > at
> >org.apache.felix.ipojo.handlers.dependency.DependencyHandler.__checkContex
> >t(DependencyHandler.java:186)
> > at
> >org.apache.felix.ipojo.handlers.dependency.DependencyHandler.checkContext(
> >DependencyHandler.java)
> > at
> >org.apache.felix.ipojo.handlers.dependency.DependencyHandler.__validate(De
> >pendencyHandler.java:149)
> > at
> >org.apache.felix.ipojo.handlers.dependency.DependencyHandler.validate(Depe
> >ndencyHandler.java)
> > at
> >org.apache.felix.ipojo.util.DependencyModel.validate(DependencyModel.java:
> >642)
> > at
> >org.apache.felix.ipojo.util.DependencyModel.computeDependencyState(Depende
> >ncyModel.java:310)
> > at
> >org.apache.felix.ipojo.util.DependencyModel.manageArrival(DependencyModel.
> >java:399)
> > at
> >org.apache.felix.ipojo.util.DependencyModel.addedService(DependencyModel.j
> >ava:335)
> > at
> >org.apache.felix.ipojo.util.Tracker$Tracked.trackAdding(Tracker.java:725)
> > at
> >org.apache.felix.ipojo.util.Tracker$Tracked.track(Tracker.java:686)
> > at
> >org.apache.felix.ipojo.util.Tracker$Tracked.serviceChanged(Tracker.java:64
> >7)
> > at
> >org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallb
> >ack(EventDispatcher.java:864)
> > at
> >org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(Event
> >Dispatcher.java:732)
> > at
> >org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDisp
> >atcher.java:662)
> > at
> >org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3726)
> > at
> >org.apache.felix.framework.Felix.access$000(Felix.java:80)
> > at
> >org.apache.felix.framework.Felix$2.serviceChanged(Felix.java:717)
> > at
> >org.apache.felix.framework.ServiceRegistry.registerService(ServiceRegistry
> >.java:107)
> > at
> >org.apache.felix.framework.Felix.registerService(Felix.java:2847)
> > at
> >org.apache.felix.framework.BundleContextImpl.registerService(BundleContext
> >Impl.java:251)
> > at
> >org.apache.felix.ipojo.IPojoContext.registerService(IPojoContext.java:338)
> > at
> >org.apache.felix.ipojo.handlers.providedservice.ProvidedService.registerSe
> >rvice(ProvidedService.java:345)
> > at
> >org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.__s
> >tateChanged(ProvidedServiceHandler.java:494)
> > at
> >org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.sta
> >teChanged(ProvidedServiceHandler.java)
> > at
> >org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:471)
> > at
> >org.apache.felix.ipojo.InstanceManager.start(InstanceManager.java:353)
> > at
> >org.apache.felix.ipojo.ComponentFactory.createInstance(ComponentFactory.ja
> >va:166)
> > at
> >org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.j
> >ava:301)
> > at
> >org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.j
> >ava:238)
> > at
> >org.apache.felix.ipojo.IPojoFactory.updated(IPojoFactory.java:634)
> > at
> >org.apache.felix.cm.impl.ConfigurationManager$UpdateConfiguration.run(Conf
> >igurationManager.java:1460)
> > at
> >org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:88)
> >
> >Maybe the "Invalid BundleContext" is the cause of our problem?
> >
> >We will test the use-case you mentioned below in our environment to check
> >if it's working.
> >
> >Thanks,
> >Olivier
> >
> >
> >-----Message d'origine-----
> >De : Clement Escoffier [mailto:clement.escoffier@gmail.com]
> >Envoyé : lundi 13 décembre 2010 16:38
> >À : users@felix.apache.org
> >Objet : Re: iPojo inner class instrumentation
> >
> >Hi,
> >
> >I've tried to reproduce your scenario in:
> >http://svn.apache.org/viewvc?view=revision&revision=1045175
> >
> >However, it works for me. I just remove C4 and directly call C3. Could you
> >highlight the differences ?
> >
> >Regards,
> >
> >Clement
> >
> >On 13.12.10 16:07, "Bigard Olivier" <ob...@axway.com> wrote:
> >
> >>Ok, I'll check with disabled proxy on C2.
> >>
> >>-----Message d'origine-----
> >>De : Clement Escoffier [mailto:clement.escoffier@gmail.com]
> >>Envoyé : lundi 13 décembre 2010 15:57
> >>À : users@felix.apache.org
> >>Objet : Re: iPojo inner class instrumentation
> >>
> >>Hi,
> >>
> >>Just a quick check,
> >>Could you try to disable 'proxy' on c2
> >>@Requires(proxy=false)
> >>C2 c2;
> >>
> >>Regards,
> >>
> >>Clement
> >>
> >>On 13.12.10 15:43, "Bigard Olivier" <ob...@axway.com> wrote:
> >>
> >>>Hi Clement,
> >>>
> >>>We are using iPojo Core 1.6.4 (with Annotations).
> >>>We are also using the Maven plugin version 1.4.2. Maybe this version is
> >>>too old and there is a compatibility problem. I'll check with an earlier
> >>>version...
> >>>
> >>>Regards,
> >>>Olivier
> >>>
> >>>-----Message d'origine-----
> >>>De : Clement Escoffier [mailto:clement.escoffier@gmail.com]
> >>>Envoyé : lundi 13 décembre 2010 14:52
> >>>À : users@felix.apache.org
> >>>Objet : Re: iPojo inner class instrumentation
> >>>
> >>>Hello,
> >>>
> >>>On 13.12.10 11:41, "Bigard Olivier" <ob...@axway.com> wrote:
> >>>
> >>>>Hello,
> >>>>
> >>>>
> >>>>
> >>>>We have an interrogation regarding iPojo instrumentation. We read
> >>>>somewhere in the forum that iPopo can instrument inner classes, but we
> >>>>are facing a problem when using them in our project.
> >>>>
> >>>>Here is our use case:
> >>>>
> >>>>
> >>>>
> >>>>A first component C1 provides a service with a method "callMe()".
> >>>>Another component C2 requires this service.
> >>>>
> >>>>
> >>>>
> >>>>Class C2
> >>>>
> >>>>{
> >>>>
> >>>> @Requires
> >>>>
> >>>> Private C1 c1;
> >>>>
> >>>>
> >>>>
> >>>> public boolean authenticate()
> >>>>
> >>>> {
> >>>>
> >>>> c1.callMe();
> >>>>
> >>>> return true;
> >>>>
> >>>> }
> >>>>
> >>>>}
> >>>>
> >>>>
> >>>>
> >>>>A third component C3 requires the component C2. This component C2 is
> >>>>used inside an inner class MyFilter.
> >>>>
> >>>>
> >>>>
> >>>>Class C3
> >>>>
> >>>>{
> >>>>
> >>>> @Requires
> >>>>
> >>>> private C2 c2;
> >>>>
> >>>>
> >>>>
> >>>> @Override
> >>>>
> >>>> public MyFilter getFilter()
> >>>>
> >>>> {
> >>>>
> >>>> return new MyFilter()
> >>>>
> >>>> {
> >>>>
> >>>>
> >>>>
> >>>> @Override
> >>>>
> >>>> public boolean authenticate()
> >>>>
> >>>> {
> >>>>
> >>>> return c2.authenticate();
> >>>>
> >>>> }
> >>>>
> >>>> };
> >>>>
> >>>> }
> >>>>
> >>>>}
> >>>>
> >>>>
> >>>>
> >>>>At last, a component C4 listens for arrival and removal of C3 component
> >>>>instances with @Bind/@Unbind methods.
> >>>>
> >>>>
> >>>>
> >>>>Class C4
> >>>>
> >>>>{
> >>>>
> >>>> @Requires(id = "apis", optional = true)
> >>>>
> >>>> C3[] apis;
> >>>>
> >>>>
> >>>>
> >>>> @Bind(id = "apis")
> >>>>
> >>>> public void addApi(ServiceReference ref)
> >>>>
> >>>> {
> >>>>
> >>>> C3 api = (C3) bundleCtxt.getService(ref);
> >>>>
> >>>> filter = api.getFilter();
> >>>>
> >>>> filter.authenticate();
> >>>>
> >>>> }
> >>>>
> >>>>}
> >>>>
> >>>>
> >>>>
> >>>>Everything works perfectly the first time all the components are
> >>>>started. But when we stop and restart the C1 and C2 instances, a
> >>>>NullPointerException occurs when calling the method authenticate() of
> >>>>the C2 component, because c1 is null. All the iPojo are present and
> >>>>valid after the restart, but it seems c1 reference is not updated in
> >>>>c2.
> >>>>
> >>>>
> >>>>
> >>>>We manage to make it work by modifiying a little bit the getFilter()
> >>>>implementation in the C3 component:
> >>>>
> >>>>
> >>>>
> >>>>Class C3
> >>>>
> >>>>{
> >>>>
> >>>> public MyFilter getFilter()
> >>>>
> >>>> {
> >>>>
> >>>> return new MyFilterImpl(c2);
> >>>>
> >>>> }
> >>>>
> >>>>}
> >>>>
> >>>>
> >>>>
> >>>>where MyFilterImpl is an implementation of the MyFilter interface.
> >>>>
> >>>>
> >>>>
> >>>>Does it trouble iPojo instrumentation when we instantiate inner classes
> >>>>like we do or are we misusing iPojo in another way ?
> >>>
> >>>
> >>>Normally this should work, but I will test it because it looks pretty
> >>>strange.
> >>>Which version of iPOJO and of the manipulator are you using?
> >>>
> >>>Regards,
> >>>
> >>>Clement
> >>>
> >>>>
> >>>>
> >>>>
> >>>>Thanks
> >>>>
> >>>>Olivier
> >>>>
> >>>
> >>>
> >>>
> >>>---------------------------------------------------------------------
> >>>To unsubscribe, e-mail: users-unsubscribe@felix.apache.org
> >>>For additional commands, e-mail: users-help@felix.apache.org
> >>>
> >>>
> >>>---------------------------------------------------------------------
> >>>To unsubscribe, e-mail: users-unsubscribe@felix.apache.org
> >>>For additional commands, e-mail: users-help@felix.apache.org
> >>>
> >>
> >>
> >>
> >>---------------------------------------------------------------------
> >>To unsubscribe, e-mail: users-unsubscribe@felix.apache.org
> >>For additional commands, e-mail: users-help@felix.apache.org
> >>
> >>
> >>---------------------------------------------------------------------
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> >>For additional commands, e-mail: users-help@felix.apache.org
> >>
> >
> >
> >
> >---------------------------------------------------------------------
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> >
> >
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> >
>
>
>
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>
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