org.osgi.framework.ServiceException

Service factory returned null.

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  • Stack trace

    • org.osgi.framework.ServiceException: Service factory returned null. at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:341) at org.apache.felix.framework.ServiceRegistrationImpl.access$100(ServiceRegistrationImpl.java:35) at org.apache.felix.framework.ServiceRegistrationImpl$ServiceFactoryPrivileged.run(ServiceRegistrationImpl.java:372) at java.security.AccessController.doPrivileged(Native Method) at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:214) at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:320) at org.apache.felix.framework.Felix.getService(Felix.java:3556) at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:468) at org.apache.stanbol.enhancer.jersey.resource.EnhancementEnginesRootResource$1.addingService(EnhancementEnginesRootResource.java:113) at org.apache.stanbol.enhancer.servicesapi.impl.NameBasedServiceTrackingState.addingService(NameBasedServiceTrackingState.java:161) at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:932) at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:864) at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256) at org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:183) at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:317) at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:261) at org.apache.stanbol.enhancer.servicesapi.impl.EnginesTracker.open(EnginesTracker.java:212) at org.apache.stanbol.enhancer.jersey.resource.EnhancementEnginesRootResource.activate(EnhancementEnginesRootResource.java:134) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:231) at org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:39) at org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:624) at org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:508) at org.apache.felix.scr.impl.helper.ActivateMethod.invoke(ActivateMethod.java:149) at org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:315) at org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:127) at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:871) at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:838) at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:777) at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:308) at org.apache.felix.framework.ServiceRegistrationImpl.access$100(ServiceRegistrationImpl.java:35) at org.apache.felix.framework.ServiceRegistrationImpl$ServiceFactoryPrivileged.run(ServiceRegistrationImpl.java:372) at java.security.AccessController.doPrivileged(Native Method) at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:214) at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:320) at org.apache.felix.framework.Felix.getService(Felix.java:3556) at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:468) at org.apache.felix.scr.impl.helper.BindMethod.getServiceObject(BindMethod.java:572) at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2012) at org.apache.felix.scr.impl.manager.DependencyManager$MultipleDynamicCustomizer.addedService(DependencyManager.java:328) at org.apache.felix.scr.impl.manager.DependencyManager$MultipleDynamicCustomizer.addedService(DependencyManager.java:304) at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1480) at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1401) at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:1210) at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:1148) at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1432) at org.apache.felix.framework.util.EventDispatcher$4.run(EventDispatcher.java:925) at java.security.AccessController.doPrivileged(Native Method) at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:921) 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:4401) at org.apache.felix.framework.Felix.registerService(Felix.java:3411) at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:346) at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:1003) at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:992) at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:134) at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:1044) at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:841) at org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:419) at org.apache.felix.scr.impl.config.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:376) at org.apache.felix.scr.impl.BundleComponentActivator.initialize(BundleComponentActivator.java:172) at org.apache.felix.scr.impl.BundleComponentActivator.<init>(BundleComponentActivator.java:120) at org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:258) at org.apache.felix.scr.impl.Activator.access$000(Activator.java:45) at org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:185) 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$Tracked.customizerModified(BundleTracker.java:479) at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:414) at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:232) at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:443) at org.apache.felix.framework.util.EventDispatcher$3.run(EventDispatcher.java:861) at java.security.AccessController.doPrivileged(Native Method) at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:858) at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:789) at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:514) at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4385) at org.apache.felix.framework.Felix.startBundle(Felix.java:2080) at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1279) at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:304) at java.lang.Thread.run(Thread.java:745)

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