Circular reference detected for usage ------------------------------------- Key: JBIDE-25989 URL: https://issues.jboss.org/browse/JBIDE-25989 Project: Tools (JBoss Tools) Issue Type: Bug Components: usage Affects Versions: 4.6.0.AM1 Reporter: Martin Malina Assignee: Jeff MAURY I just installed devstudio 12 nightly [1] and noticed this error in the Error Log view: {code} Circular reference detected trying to get service {org.jboss.tools.usage.branding.IUsageBranding}={service.id=39, service.bundleid=32, service.scope=bundle, service.ranking=1, component.name=com.jboss.devstudio.core.usage.branding, component.id=0} stack of references: ServiceReference: {org.jboss.tools.usage.branding.IUsageBranding}={service.id=39, service.bundleid=32, service.scope=bundle, service.ranking=1, component.name=com.jboss.devstudio.core.usage.branding, component.id=0} {code} {code} java.lang.Exception: stack trace at org.apache.felix.scr.impl.ComponentRegistry.enterCreate(ComponentRegistry.java:467) at org.apache.felix.scr.impl.BundleComponentActivator.enterCreate(BundleComponentActivator.java:809) at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:806) 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$2.getService(ServiceConsumer.java:45) at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:524) at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:461) at org.eclipse.osgi.internal.framework.BundleContextImpl.getService(BundleContextImpl.java:624) at org.osgi.util.tracker.ServiceTracker.addingService(ServiceTracker.java:416) at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:943) at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:1) 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:321) at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:264) at org.jboss.tools.usage.internal.JBossToolsUsageActivator.initBranding(JBossToolsUsageActivator.java:67) at org.jboss.tools.usage.internal.JBossToolsUsageActivator.start(JBossToolsUsageActivator.java:58) at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:779) at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:772) at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:729) at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:1002) at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:354) at org.eclipse.osgi.container.Module.doStart(Module.java:581) at org.eclipse.osgi.container.Module.start(Module.java:449) at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:468) at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:114) at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:505) at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:328) at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:392) at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:470) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:419) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:411) at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:609) at org.apache.felix.scr.impl.manager.AbstractComponentManager.initDependencyManagers(AbstractComponentManager.java:992) at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1019) at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:860) at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:755) at org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:675) at org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:430) at org.apache.felix.scr.impl.manager.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:657) at org.apache.felix.scr.impl.BundleComponentActivator.initialEnable(BundleComponentActivator.java:341) at org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:387) at org.apache.felix.scr.impl.Activator.access$200(Activator.java:52) at org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:262) at org.apache.felix.scr.impl.AbstractExtender.createExtension(AbstractExtender.java:196) at org.apache.felix.scr.impl.AbstractExtender.modifiedBundle(AbstractExtender.java:169) at org.apache.felix.scr.impl.AbstractExtender.addingBundle(AbstractExtender.java:139) at org.apache.felix.scr.impl.AbstractExtender.addingBundle(AbstractExtender.java:49) at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:475) at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:1) 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.BundleTracker$Tracked.bundleChanged(BundleTracker.java:450) at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:908) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEventPrivileged(EquinoxEventPublisher.java:230) at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:137) at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:129) at org.eclipse.osgi.internal.framework.EquinoxContainerAdaptor.publishModuleEvent(EquinoxContainerAdaptor.java:191) at org.eclipse.osgi.container.Module.publishEvent(Module.java:476) at org.eclipse.osgi.container.Module.start(Module.java:467) at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1682) at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1661) at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1624) at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1555) at org.eclipse.osgi.container.ModuleContainer$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) {code} [1] devstudio-12.0.0.AM1-v20180502-0411-B2377-installer-standalone.jar