Hi, On 17.03.11 08:19, "Olivier Bigard" <[email protected]> wrote:
> >Hi Clément, > >Any news about it? >Did you succeed to reproduce it? I've reproduced it, so it's definitely a synchronization issue. I didn't find the time to fix it so far, I hope to find to time this weekend. Regards, Clement > >Thanks, >Olivier > > >clement escoffier wrote: >> >> Hi, >> >> >> On 01.03.11 11:15, "Bigard Olivier" <[email protected]> wrote: >> >>>Hi all, >>> >>>We faced a deadlock issue with iPojo 1.6.4 (and also reproduced with >>>iPojo 1.8.0). >>>Here are the details of the context: >>> >>> >>>1) We have a first iPojo Component that we will call "PDP". >>>This Component is declared with the 3 iPojo annotations "Component", >>>"Instantiate" and "Provides". >>> >>>2) We have a second iPojo Component that we will call "PEP". >>>This Component is declared with the 3 iPojo annotations "Component", >>>"Instantiate" and "Provides". >>>This Component requires the "PDP" Component with a "@Requires(policy = >>>"dynamic-priority")" annotation. >>>In a public method of the "PEP" Component we try to access to a method >>>of >>>the "PDP" reference. >> >> >> Thanks, I will try to reproduce it and check >> >>> >>>During some tests, we are facing the following deadlock problem: >>> >>>2011-02-28 16:38:12,379 - [Thread Monitor] WARN >>>(WatcherActivator.deadlockDetected:70) - Thread Deadlock detected... >>>2011-02-28 16:38:12,379 - [Thread Monitor] WARN >>>(WatcherActivator.deadlockDetected:71) - Deadlocked Thread: >>>"AsyncRequest-1" Id=87 BLOCKED on >>>org.apache.felix.ipojo.handlers.providedservice.ProvidedService@1664cb5 >>>owned by "Thread-7" Id=29 >>> at >>>org.apache.felix.ipojo.handlers.providedservice.ProvidedService.update(P >>>ro >>>videdService.java:446) >>> - blocked on >>>org.apache.felix.ipojo.handlers.providedservice.ProvidedService@1664cb5 >>> at >>>org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler._ >>>_o >>>nSet(ProvidedServiceHandler.java:432) >>> at >>>org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.o >>>nS >>>et(ProvidedServiceHandler.java) >>> at >>>org.apache.felix.ipojo.InstanceManager.onSet(InstanceManager.java:1102) >>> at >>>com.axway.drw.core.defimpl.policy.DefaultPolicyDecisionPoint.__setrankin >>>g( >>>DefaultPolicyDecisionPoint.java) >>> at >>>com.axway.drw.core.defimpl.policy.DefaultPolicyDecisionPoint.<init>(Defa >>>ul >>>tPolicyDecisionPoint.java:32) >>> at >>>sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) >>> at >>>sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorA >>>cc >>>essorImpl.java:39) >>> >>>sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons >>>tr >>>uctorAccessorImpl.java:27) >>> >>>java.lang.reflect.Constructor.newInstance(Constructor.java:513) >>> >>>org.apache.felix.ipojo.InstanceManager.createObject(InstanceManager.java >>>:6 >>>01) >>> >>>org.apache.felix.ipojo.InstanceManager.getPojoObject(InstanceManager.jav >>>a: >>>777) >>> >>>org.apache.felix.ipojo.handlers.providedservice.ProvidedService$Singleto >>>nS >>>trategy.getService(ProvidedService.java:691) >>> >>>org.apache.felix.ipojo.handlers.providedservice.ProvidedService.getServi >>>ce >>>(ProvidedService.java:306) >>> >>>org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(S >>>er >>>viceRegistrationImpl.java:307) >>> >>>org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceReg >>>is >>>trationImpl.java:221) >>> >>>org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.ja >>>va >>>:295) >>> >>>org.apache.felix.framework.Felix.getService(Felix.java:3007) >>> >>>org.apache.felix.framework.BundleContextImpl.getService(BundleContextImp >>>l. >>>java:329) >>> >>>org.apache.felix.ipojo.IPojoContext.getService(IPojoContext.java:260) >>> >>>org.apache.felix.ipojo.util.Tracker.getService(Tracker.java:441) >>> >>>org.apache.felix.ipojo.util.DependencyModel.getService(DependencyModel.j >>>av >>>a:911) >>> >>>org.apache.felix.ipojo.handlers.dependency.Dependency.createServiceObjec >>>t( >>>Dependency.java:631) >>> >>>org.apache.felix.ipojo.handlers.dependency.Dependency.onGet(Dependency.j >>>av >>>a:602) >>> >>>org.apache.felix.ipojo.InstanceManager.onGet(InstanceManager.java:945) >>> >>>com.axway.darwin.server.core.rest.impl.rest.policy.RestPolicyEnforcement >>>Po >>>int.__getpdp(RestPolicyEnforcementPoint.java) >>> >>>com.axway.darwin.server.core.rest.impl.rest.policy.RestPolicyEnforcement >>>Po >>>int.__preFilter(RestPolicyEnforcementPoint.java:170) >>> >>>com.axway.darwin.server.core.rest.impl.rest.policy.RestPolicyEnforcement >>>Po >>>int.preFilter(RestPolicyEnforcementPoint.java) >>> >>>com.axway.darwin.server.core.rest.impl.rest.InterceptorFilterManager.pre >>>Fi >>>lter(InterceptorFilterManager.java:86) >>> >>>com.axway.darwin.server.core.rest.impl.rest.InterceptorFilterManager.acc >>>es >>>s$200(InterceptorFilterManager.java:32) >>> >>>com.axway.darwin.server.core.rest.impl.rest.InterceptorFilterManager$Res >>>ou >>>rceFilterAdapter.filter(InterceptorFilterManager.java:132) >>> >>>com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRul >>>e. >>>java:270) >>> >>>com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandP >>>at >>>hRule.java:136) >>> >>>com.sun.jersey.server.impl.uri.rules.ResourceObjectRule.accept(ResourceO >>>bj >>>ectRule.java:84) >>> >>>com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandP >>>at >>>hRule.java:136) >>> >>>com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(Root >>>Re >>>sourceClassesRule.java:74) >>> >>>com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest >>>(W >>>ebApplicationImpl.java:1347) >>> >>>com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest >>>(W >>>ebApplicationImpl.java:1279) >>> >>>com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest( >>>We >>>bApplicationImpl.java:1229) >>> >>>com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest( >>>We >>>bApplicationImpl.java:1219) >>> >>>com.sun.jersey.server.impl.container.grizzly.GrizzlyContainer._service(G >>>ri >>>zzlyContainer.java:180) >>> >>>com.sun.jersey.server.impl.container.grizzly.GrizzlyContainer.service(Gr >>>iz >>>zlyContainer.java:145) >>> >>>com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:16 >>>8) >>> >>>com.axway.darwin.server.core.rest.impl.rest.JerseyAdapter.service(Jersey >>>Ad >>>apter.java:124) >>> >>>com.axway.darwin.server.core.http.impl.auth.GrizzlyAuthenticationFilter. >>>se >>>rveProtectedAdapter(GrizzlyAuthenticationFilter.java:374) >>> >>>com.axway.darwin.server.core.http.impl.auth.GrizzlyAuthenticationFilter. >>>se >>>rvice(GrizzlyAuthenticationFilter.java:96) >>> >>>com.axway.darwin.server.core.http.async.AsyncRequest.run(AsyncRequest.ja >>>va >>>:63) >>> >>>java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecuto >>>r. >>>java:886) >>> >>>java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.ja >>>va >>>:908) >>> java.lang.Thread.run(Thread.java:662) >>> >>>2011-02-28 16:38:12,379 - [Thread Monitor] WARN >>>(WatcherActivator.deadlockDetected:70) - Thread Deadlock detected... >>>2011-02-28 16:38:12,379 - [Thread Monitor] WARN >>>(WatcherActivator.deadlockDetected:71) - Deadlocked Thread: >>>"Thread-7" Id=29 BLOCKED on >>>org.apache.felix.ipojo.util.Tracker$Tracked@a28708 owned by >>>"AsyncRequest-1" Id=87 >>> at >>>org.apache.felix.ipojo.util.Tracker$Tracked.track(Tracker.java:666) >>> - blocked on >>>org.apache.felix.ipojo.util.Tracker$Tracked@a28708 >>> at >>>org.apache.felix.ipojo.util.Tracker$Tracked.serviceChanged(Tracker.java: >>>64 >>>7) >>> at >>>org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCal >>>lb >>>ack(EventDispatcher.java:864) >>> at >>>org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(Eve >>>nt >>>Dispatcher.java:732) >>> at >>>org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDi >>>sp >>>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$2.serviceChanged(Felix.java:717) >>> >>>org.apache.felix.framework.ServiceRegistry.servicePropertiesModified(Ser >>>vi >>>ceRegistry.java:478) >>> >>>org.apache.felix.framework.ServiceRegistrationImpl.setProperties(Service >>>Re >>>gistrationImpl.java:116) >>> >>>org.apache.felix.ipojo.handlers.providedservice.ProvidedService.register >>>Se >>>rvice(ProvidedService.java:348) >>> >>>org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler._ >>>_s >>>tateChanged(ProvidedServiceHandler.java:494) >>> >>>org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.s >>>ta >>>teChanged(ProvidedServiceHandler.java) >>> >>>org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:441 >>>) >>> >>>org.apache.felix.ipojo.InstanceManager.start(InstanceManager.java:322) >>> >>>org.apache.felix.ipojo.ComponentFactory.createInstance(ComponentFactory. >>>ja >>>va:155) >>> >>>org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory >>>.j >>>ava:301) >>> >>>org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory >>>.j >>>ava:238) >>> >>>org.apache.felix.ipojo.InstanceCreator$ManagedInstance.create(InstanceCr >>>ea >>>tor.java:343) >>> >>>org.apache.felix.ipojo.InstanceCreator.addInstance(InstanceCreator.java: >>>89 >>>) >>> org.apache.felix.ipojo.Extender.parse(Extender.java:269) >>> >>>org.apache.felix.ipojo.Extender.startManagementFor(Extender.java:208) >>> >>>org.apache.felix.ipojo.Extender.access$600(Extender.java:52) >>> >>>org.apache.felix.ipojo.Extender$CreatorThread.run(Extender.java:682) >>> java.lang.Thread.run(Thread.java:662) >>> >>>It seems that the 2 threads are trying to modify the same >>>"ProvidedService" instance: the first one to update the value of the >>>"ServiceRanking" property and the second one to change its state. >>> >>>One very important information: we tried to change the way to >>>instantiate >>>the second Component ("PDP") by using the XML instead of the annotation >>>and the deadlock disappeared! >> >> This just change the order of the declaration that make the difference. >> Indeed, both XML and annotations are mixed in the bundle manifest. >> >> Regards, >> >> Clement >> >>> >>>Thank you for your help >>>Olivier >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> >> >> > >-- >View this message in context: >http://old.nabble.com/iPojo-deadlock-problem-tp31039503p31170374.html >Sent from the Apache Felix - Users mailing list archive at Nabble.com. > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [email protected] >For additional commands, e-mail: [email protected] > 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