[DOSGI-158] NPE on shutdown of DOSGi service

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.5.0
• Estimated Complexity: Unknown
• Assignee: Amichai Rothman
• Reporter: Christoph Läubrich
• Created: 05/Feb/13 11:21
• Updated: 27/Jun/13 17:13
• Resolved: 06/Jun/13 23:06

Description

Shutting down the framework results in NPE thrown (using the multi bundle version):

org.osgi.framework.ServiceException: Exception in org.apache.cxf.dosgi.topologymanager.importer.ListenerHookImpl.removed()
	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.notifyHookPrivileged(ServiceRegistry.java:1247)
	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.notifyHooksPrivileged(ServiceRegistry.java:1222)
	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.notifyListenerHooksPrivileged(ServiceRegistry.java:1342)
	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.notifyListenerHooks(ServiceRegistry.java:1324)
	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.removeServiceListener(ServiceRegistry.java:730)
	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.removeServiceListener(BundleContextImpl.java:258)
	at org.osgi.util.tracker.ServiceTracker.close(ServiceTracker.java:400)
	at org.apache.cxf.dosgi.topologymanager.exporter.EndpointListenerNotifier.stop(EndpointListenerNotifier.java:75)
	at org.apache.cxf.dosgi.topologymanager.exporter.TopologyManagerExport.stop(TopologyManagerExport.java:176)
	at org.apache.cxf.dosgi.topologymanager.Activator.stop(Activator.java:50)
	at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:771)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.stop(BundleContextImpl.java:764)
	at org.eclipse.osgi.framework.internal.core.BundleHost.stopWorker(BundleHost.java:510)
	at org.eclipse.osgi.framework.internal.core.AbstractBundle.suspend(AbstractBundle.java:565)
	at org.eclipse.osgi.framework.internal.core.Framework.suspendBundle(Framework.java:1161)
	at org.eclipse.osgi.framework.internal.core.StartLevelManager.decFWSL(StartLevelManager.java:595)
	at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:257)
	at org.eclipse.osgi.framework.internal.core.StartLevelManager.shutdown(StartLevelManager.java:215)
	at org.eclipse.osgi.framework.internal.core.InternalSystemBundle.suspend(InternalSystemBundle.java:284)
	at org.eclipse.osgi.framework.internal.core.Framework.shutdown(Framework.java:691)
	at org.eclipse.osgi.framework.internal.core.Framework.close(Framework.java:598)
	at org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._close(FrameworkCommandProvider.java:1224)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(FrameworkCommandInterpreter.java:209)
	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:155)
	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.runConsole(FrameworkConsole.java:140)
	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:104)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
	at org.apache.cxf.dosgi.topologymanager.importer.RefManager.removeReference(RefManager.java:55)
	at org.apache.cxf.dosgi.topologymanager.importer.TopologyManagerImport.removeServiceInterest(TopologyManagerImport.java:130)
	at org.apache.cxf.dosgi.topologymanager.importer.ListenerHookImpl.removed(ListenerHookImpl.java:111)
	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry$10.call(ServiceRegistry.java:1348)
	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.notifyHookPrivileged(ServiceRegistry.java:1239)
	... 31 more

Issue Links

• relates to: DOSGI-175 TopologyManagerImport's reference counter doesn't count