*ERROR* [FelixDispatchQueue] org.apache.felix.inventory FrameworkEvent ERROR (org.osgi.framework.ServiceException: Service factory returned null. (Component: org.apache.sling.commons.metrics.rrd4j.impl.CodahaleMetricsReporter (3379)))
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.apache.sling.commons.metrics.rrd4j.impl.CodahaleMetricsReporter (3379))
at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:381)
at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:248)
at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350)
at org.apache.felix.framework.Felix.getService(Felix.java:3954)
at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:450)
at org.apache.felix.inventory.impl.InventoryPrinterManagerImpl.addingService(InventoryPrinterManagerImpl.java:127) [org.apache.felix.inventory:1.1.0]
at org.apache.felix.inventory.impl.InventoryPrinterManagerImpl.addingService(InventoryPrinterManagerImpl.java:48) [org.apache.felix.inventory:1.1.0]
at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:943)
at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:871)
at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:229)
at org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:903)
at org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990)
at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838)
at org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545)
at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4833)
at org.apache.felix.framework.Felix.registerService(Felix.java:3804)
at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:328)
at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:907) [org.apache.felix.scr:2.1.20]
at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:893) [org.apache.felix.scr:2.1.20]
at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:128) [org.apache.felix.scr:2.1.20]
at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:960) [org.apache.felix.scr:2.1.20]
at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:733) [org.apache.felix.scr:2.1.20]
at org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:667) [org.apache.felix.scr:2.1.20]
at org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:433) [org.apache.felix.scr:2.1.20]
at org.apache.felix.scr.impl.manager.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:666) [org.apache.felix.scr:2.1.20]
at org.apache.felix.scr.impl.BundleComponentActivator.initialEnable(BundleComponentActivator.java:353) [org.apache.felix.scr:2.1.20]
at org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:553) [org.apache.felix.scr:2.1.20]
at org.apache.felix.scr.impl.Activator.access$200(Activator.java:69) [org.apache.felix.scr:2.1.20]
at org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:424) [org.apache.felix.scr:2.1.20]