Re: [ecf-dev] R-OSGi NullPointerException

[Markus Alexander Kuppe <ecf-dev_eclipse.org@xxxxxxxxxxx>]

On 11/25/2010 04:45 PM, Martin Petzold wrote:
> Hi folks,
> 
> I use ECF (3.4.0.v20101029-1626) and R-OSGi as distribution provider and
> start two instances of my node component (each an osgi instance) on THE
> SAME machine quickly after each other. I get the following Exception. If
> I wait about perhaps 10sec. there is no problem.
> 
> !ENTRY org.eclipse.osgi 4 0 2010-11-25 16:36:14.600
> !MESSAGE An unexpected runtime error has occurred.
> !STACK 0
> java.lang.NullPointerException
>     at
> ch.ethz.iks.r_osgi.impl.RemoteOSGiServiceImpl$3.modifiedService(RemoteOSGiServiceImpl.java:556)
> 
>     at
> org.osgi.util.tracker.ServiceTracker$Tracked.customizerModified(ServiceTracker.java:909)
> 
>     at
> org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:237)
>     at
> org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:840)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
> 
>     at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:933)
> 
>     at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:227)
> 
>     at
> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:149)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:756)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:711)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.setProperties(ServiceRegistrationImpl.java:171)
> 
>     at
> org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer.registerRemoteService(R_OSGiRemoteServiceContainer.java:370)
> 
>     at
> org.eclipse.ecf.internal.provider.r_osgi.R_OSGiRemoteServiceContainer.registerRemoteService(R_OSGiRemoteServiceContainer.java:342)
> 
>     at
> org.eclipse.ecf.internal.osgi.services.distribution.EventHookImpl.handleRegisteredServiceEvent(EventHookImpl.java:126)
> 
>     at
> org.eclipse.ecf.internal.osgi.services.distribution.EventHookImpl.event(EventHookImpl.java:65)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.notifyEventHooksPrivileged(ServiceRegistry.java:1143)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:743)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:711)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:206)
> 
>     at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:507)
> 
>     at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:525)
> 
>     at
> devsosgi.simulator.atomic.AtomicComponentTracker.addingService(AtomicComponentTracker.java:41)
> 
>     at
> org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:896)
> 
>     at
> org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:261)
>     at
> org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:233)
>     at
> org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:840)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
> 
>     at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:933)
> 
>     at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:227)
> 
>     at
> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:149)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:756)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:711)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
> 
>     at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:206)
> 
>     at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:507)
> 
>     at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:525)
> 
>     at devsosgi.model.processor.Activator.start(Activator.java:25)
>     at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
> 
>     at java.security.AccessController.doPrivileged(Native Method)
>     at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
> 
>     at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
> 
>     at
> org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:370)
> 
>     at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:374)
> 
>     at
> org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1067)
> 
>     at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:561)
> 
>     at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:546)
> 
>     at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:459)
> 
>     at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
> 
>     at
> org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:440)
> 
>     at
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:227)
> 
>     at
> org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:337)
> 
> 

Hi Martin,

do you use any discovery provider? Is there log output on the console?
What kind of service are you trying to remote?

Markus