Do you also have a debug log for the deactivate method? Is it called in between the two activates?
Carsten Jens Offenbach wrote > Hi, > I am facing a serious problem in Apache SCR 2.0.2: I have a component that > requires a valid configuration. Unfortunatley, it sometimes happens that the > component gets instantiated twice. I am using Eclipse Equinox > 3.10.2.v20150203-1939, Felix ConfigAdmin 1.8.8 and Apache Fileinstall 3.5.2. > > This is my component description created by the Apache SCR Plugin: > <?xml version="1.0" encoding="UTF-8"?> > <scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.2.0"; > immediate="true" name="com.example.nodes.tree.impl.component.Component" > configuration-policy="require" activate="activate" deactivate="deactivate"> > <implementation class="com.example.nodes.tree.impl.component.Component"/> > <service servicefactory="false"> > <provide interface="com.example.nodes.tree.Tree"/> > <provide interface="com.example.nodes.tree.HandlerService"/> > </service> > <property name="service.pid" > value="com.example.nodes.tree.impl.component.Component"/> > <reference name="TreeEventListener" > interface="com.example.nodes.tree.eventing.TreeEventListener" > cardinality="0..n" policy="dynamic" bind="bind" unbind="unbind" > updated="updated"/> > <reference name="DataHandler" > interface="com.example.nodes.tree.spi.handler.DataHandler" cardinality="0..n" > policy="dynamic" bind="bind" unbind="unbind" updated="updated"/> > <reference name="ExecuteHandler" > interface="com.example.nodes.tree.spi.handler.ExecuteHandler" > cardinality="0..n" policy="dynamic" bind="bind" unbind="unbind" > updated="updated"/> > </scr:component> > > com.example.nodes.tree.impl.component.Component.cfg (no factory > configuration): > > locking.aquireTimeout.value = 30 > locking.aquireTimeout.unit = SECONDS > > It is hard to debug. At the moment, I can only offer you the following two > stack traces. As you can see SCR seems to be triggered twice. The first event > comes from the framework and signals a bundle change. The second event > informs SCR about the corresponding configuration creation. It must be a race > condition in some place. > > at > com.example.nodes.tree.impl.component.Component.activate(Component.java:54) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:483) > at > org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:222) > 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:615) > at > org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:499) > at > org.apache.felix.scr.impl.helper.ActivateMethod.invoke(ActivateMethod.java:295) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:302) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:113) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:866) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:833) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:774) > at > org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse$1.run(ServiceFactoryUse.java:212) > at java.security.AccessController.doPrivileged(Native Method) > at > org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.factoryGetService(ServiceFactoryUse.java:210) > at > org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.getService(ServiceFactoryUse.java:111) > at > org.eclipse.osgi.internal.serviceregistry.ServiceConsumer$2.getService(ServiceConsumer.java:45) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:496) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:461) > at > org.eclipse.osgi.internal.framework.BundleContextImpl.getService(BundleContextImpl.java:619) > at > org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:72) > at > org.apache.felix.scr.impl.helper.BindMethod.getServiceObject(BindMethod.java:646) > at > org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2137) > at > org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1048) > at > org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1457) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:983) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:812) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:724) > at > org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:954) > at > org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:915) > at > org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1215) > at > org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1136) > at > org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:945) > at > org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:881) > at > org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1167) > at > org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:120) > at > org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:109) > at > org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:914) > at > org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) > at > org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:862) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:801) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:127) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:225) > at > org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:464) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:869) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:857) > at > org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:915) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:715) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:399) > at > org.apache.felix.scr.impl.config.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:676) > at > org.apache.felix.scr.impl.BundleComponentActivator.initialEnable(BundleComponentActivator.java:339) > at > org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:360) > at org.apache.felix.scr.impl.Activator.access$000(Activator.java:53) > at > org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:260) > at > org.apache.felix.utils.extender.AbstractExtender.createExtension(AbstractExtender.java:259) > at > org.apache.felix.utils.extender.AbstractExtender.modifiedBundle(AbstractExtender.java:232) > at > org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:482) > at > org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:1) > at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:232) > at > org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:444) > at > org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:902) > at > org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) > at > org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) > at > org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEventPrivileged(EquinoxEventPublisher.java:165) > at > org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:75) > at > org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:67) > at > org.eclipse.osgi.internal.framework.EquinoxContainerAdaptor.publishModuleEvent(EquinoxContainerAdaptor.java:102) > at org.eclipse.osgi.container.Module.publishEvent(Module.java:466) > at org.eclipse.osgi.container.Module.start(Module.java:457) > at > org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1582) > at > org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1562) > at > org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1533) > at > org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1476) > at > org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1) > at > org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) > at > org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340) > > > 13:16:08.733 [Start Level: Equinox Container: > a04ce7b3-f0e5-0015-12b9-a18bd35d12e8] DEBUG c.e.n.t.impl.component.Component > - Component successfully created. > at > com.example.nodes.tree.impl.component.Component.activate(Component.java:54) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:483) > at > org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:222) > 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:615) > at > org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:499) > at > org.apache.felix.scr.impl.helper.ActivateMethod.invoke(ActivateMethod.java:295) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:302) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:113) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:866) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:833) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:774) > at > org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse$1.run(ServiceFactoryUse.java:212) > at java.security.AccessController.doPrivileged(Native Method) > at > org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.factoryGetService(ServiceFactoryUse.java:210) > at > org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.getService(ServiceFactoryUse.java:111) > at > org.eclipse.osgi.internal.serviceregistry.ServiceConsumer$2.getService(ServiceConsumer.java:45) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:496) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:461) > at > org.eclipse.osgi.internal.framework.BundleContextImpl.getService(BundleContextImpl.java:619) > at > org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:72) > at > org.apache.felix.scr.impl.helper.BindMethod.getServiceObject(BindMethod.java:646) > at > org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2137) > at > org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1048) > at > org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1457) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:983) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:812) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:724) > at > org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:954) > at > org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:915) > at > org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1215) > at > org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1136) > at > org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:945) > at > org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:881) > at > org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1167) > at > org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:120) > at > org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:109) > at > org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:914) > at > org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) > at > org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:862) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:801) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:127) > at > org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:225) > at > org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:464) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:869) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:857) > at > org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:915) > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:715) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.reconfigure(SingleComponentManager.java:627) > at > org.apache.felix.scr.impl.manager.SingleComponentManager.reconfigure(SingleComponentManager.java:566) > at > org.apache.felix.scr.impl.config.ConfigurableComponentHolder.configurationUpdated(ConfigurableComponentHolder.java:419) > at > org.apache.felix.scr.impl.config.ConfigurationSupport.configurationEvent(ConfigurationSupport.java:391) > at > org.apache.felix.cm.impl.ConfigurationManager$FireConfigurationEvent.sendEvent(ConfigurationManager.java:2046) > at > org.apache.felix.cm.impl.ConfigurationManager$FireConfigurationEvent.run(ConfigurationManager.java:2014) > at org.apache.felix.cm.impl.UpdateThread.run0(UpdateThread.java:143) > at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:110) > at java.lang.Thread.run(Thread.java:745) > 13:16:08.749 [CM Event Dispatcher (Fire ConfigurationEvent: > pid=com.example.nodes.tree.impl.component.Component)] DEBUG > c.e.n.t.impl.component.Component - Component successfully created. > > This issue is a blocker for me... Can anybody please help me figuring out > what is the problem's source. Maybe the problem is on my side. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@felix.apache.org > For additional commands, e-mail: users-h...@felix.apache.org > > -- Carsten Ziegeler Adobe Research Switzerland cziege...@apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@felix.apache.org For additional commands, e-mail: users-h...@felix.apache.org
