[SLING-2713] java.lang.IllegalStateException: Service already unregistered during unregistering of resource resolver

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Resource Resolver 1.0.0
• Fix Version/s: Resource Resolver 1.0.4
• Component/s: ResourceResolver
• Assignee: Carsten Ziegeler
• Reporter: Carsten Ziegeler
• Created: 23/Jan/13 17:03
• Updated: 15/Feb/13 07:35
• Resolved: 23/Jan/13 17:08

Description

When unregistering, the following stacktrace shows that ResourceResolverFactoryActivator#unregisterFactory is invoked recursively causing unregister() to be called more than once on the same registration object

23.01.2013 16:19:17.428 ERROR [FelixFrameworkWiring] org.apache.sling.resourceresolver [org.apache.sling.jcr.resource.internal.JcrResourceResolverFactoryImpl] The unbindResourceProvider method has thrown an exception (java.lang.IllegalStateException: Service already unregistered.) java.lang.IllegalStateException: Service already unregistered.
at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:123)
at org.apache.sling.resourceresolver.impl.ResourceResolverFactoryActivator.unregisterFactory(ResourceResolverFactoryActivator.java:302)
at org.apache.sling.resourceresolver.impl.ResourceResolverFactoryActivator.checkFactoryPreconditions(ResourceResolverFactoryActivator.java:331)
at org.apache.sling.resourceresolver.impl.ResourceResolverFactoryActivator.unbindResourceProvider(ResourceResolverFactoryActivator.java:353)
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:597)
at org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:236)
at org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:37)
at org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:613)
at org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:496)
at org.apache.felix.scr.impl.helper.BindMethod.invoke(BindMethod.java:38)
at org.apache.felix.scr.impl.manager.DependencyManager.invokeUnbindMethod(DependencyManager.java:1404)
at org.apache.felix.scr.impl.manager.ImmediateComponentManager.invokeUnbindMethod(ImmediateComponentManager.java:327)
at org.apache.felix.scr.impl.manager.DependencyManager.serviceRemoved(DependencyManager.java:530)
at org.apache.felix.scr.impl.manager.DependencyManager.serviceChanged(DependencyManager.java:274)
at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:932)
at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:793)
at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:543)
at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4335)
at org.apache.felix.framework.Felix.access$000(Felix.java:74)
at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:390)
at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:148)
at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:127)
at org.apache.sling.servlets.resolver.internal.SlingServletResolver.destroyServlet(SlingServletResolver.java:1050)
at org.apache.sling.servlets.resolver.internal.SlingServletResolver.destroyAllServlets(SlingServletResolver.java:1039)
at org.apache.sling.servlets.resolver.internal.SlingServletResolver.deactivate(SlingServletResolver.java:921)
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:597)
at org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:236)
at org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:37)
at org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:613)
at org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:496)
at org.apache.felix.scr.impl.helper.ActivateMethod.invoke(ActivateMethod.java:149)
at org.apache.felix.scr.impl.manager.ImmediateComponentManager.disposeImplementationObject(ImmediateComponentManager.java:286)
at org.apache.felix.scr.impl.manager.ImmediateComponentManager.deleteComponent(ImmediateComponentManager.java:160)
at org.apache.felix.scr.impl.manager.AbstractComponentManager$Active.ungetService(AbstractComponentManager.java:1661)
at org.apache.felix.scr.impl.manager.ImmediateComponentManager.ungetService(ImmediateComponentManager.java:717)
at org.apache.felix.framework.ServiceRegistrationImpl.ungetFactoryUnchecked(ServiceRegistrationImpl.java:349)
at org.apache.felix.framework.ServiceRegistrationImpl.ungetService(ServiceRegistrationImpl.java:258)
at org.apache.felix.framework.ServiceRegistry.ungetService(ServiceRegistry.java:389)
at org.apache.felix.framework.Felix.ungetService(Felix.java:3502)
at org.apache.felix.framework.BundleContextImpl.ungetService(BundleContextImpl.java:486)
at org.apache.felix.scr.impl.manager.DependencyManager.ungetService(DependencyManager.java:961)
at org.apache.felix.scr.impl.manager.DependencyManager.serviceRemoved(DependencyManager.java:534)
at org.apache.felix.scr.impl.manager.DependencyManager.serviceChanged(DependencyManager.java:274)
at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:932)
at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:793)
at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:543)
at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4335)
at org.apache.felix.framework.Felix.access$000(Felix.java:74)
at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:390)
at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:148)
at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:127)
at org.apache.felix.scr.impl.manager.AbstractComponentManager.unregisterComponentService(AbstractComponentManager.java:702)
at org.apache.felix.scr.impl.manager.AbstractComponentManager$State.doDeactivate(AbstractComponentManager.java:1301)
at org.apache.felix.scr.impl.manager.AbstractComponentManager$Satisfied.deactivate(AbstractComponentManager.java:1599)
at org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:555)
at org.apache.felix.scr.impl.manager.DependencyManager.serviceRemoved(DependencyManager.java:451)
at org.apache.felix.scr.impl.manager.DependencyManager.serviceChanged(DependencyManager.java:274)
at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:932)
at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:793)
at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:543)
at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4335)
at org.apache.felix.framework.Felix.access$000(Felix.java:74)
at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:390)
at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:148)
at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:127)
at org.apache.sling.resourceresolver.impl.ResourceResolverFactoryActivator.unregisterFactory(ResourceResolverFactoryActivator.java:302)
at org.apache.sling.resourceresolver.impl.ResourceResolverFactoryActivator.checkFactoryPreconditions(ResourceResolverFactoryActivator.java:331)
at org.apache.sling.resourceresolver.impl.ResourceResolverFactoryActivator.unbindResourceProviderFactory(ResourceResolverFactoryActivator.java:371)