Interestingly this works fine when running from Bndtools with Felix. If I try the same with Equinox for projects created with PDE I get a NullPointerException. IIRC Private-Package is something special to Bnd. Is that correct? I wonder if that exception is caused by some PDE flaws or if it is an issue in Equinox Oxygen. In both cases Apache Felix SCR 2.0 is used. (in Oxygen 2.0.8 and in Bndtools 2.0.2)
org.osgi.framework.ServiceException: Exception in org.apache.felix.scr.impl.manager.SingleComponentManager.getService() at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.factoryGetService(ServiceFactoryUse.java:222) at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.getService(ServiceFactoryUse.java:111) at org.eclipse.osgi.internal.serviceregistry.ServiceConsumer$2.getService(ServiceConsumer.java:45) at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:508) at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:461) at org.eclipse.osgi.internal.framework.BundleContextImpl.getService(BundleContextImpl.java:624) at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:72) at org.apache.felix.scr.impl.inject.FieldHandler$ReferenceMethodImpl.getServiceObject(FieldHandler.java:985) at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2201) at org.apache.felix.scr.impl.manager.DependencyManager$MultipleStaticReluctantCustomizer.prebind(DependencyManager.java:699) at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1520) at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1006) at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:859) at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:823) 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:508) at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:461) at org.eclipse.osgi.internal.framework.BundleContextImpl.getService(BundleContextImpl.java:624) at org.apache.felix.gogo.runtime.CommandProxy.getTarget(CommandProxy.java:50) at org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:72) at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:477) at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:403) at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108) at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183) at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120) at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:89) at org.apache.felix.gogo.shell.Console.run(Console.java:62) at org.apache.felix.gogo.shell.Shell.console(Shell.java:203) at org.apache.felix.gogo.shell.Shell.gosh(Shell.java:128) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.felix.gogo.runtime.Reflective.invoke(Reflective.java:137) at org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:82) at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:477) at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:403) at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108) at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183) at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120) at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:89) at org.apache.felix.gogo.shell.Activator.run(Activator.java:75) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at org.apache.felix.scr.impl.inject.FieldHandler.validateField(FieldHandler.java:279) at org.apache.felix.scr.impl.inject.FieldHandler.access$500(FieldHandler.java:51) at org.apache.felix.scr.impl.inject.FieldHandler$NotResolved.resolve(FieldHandler.java:839) at org.apache.felix.scr.impl.inject.FieldHandler$NotResolved.fieldExists(FieldHandler.java:864) at org.apache.felix.scr.impl.inject.FieldHandler.fieldExists(FieldHandler.java:918) at org.apache.felix.scr.impl.inject.FieldHandler$3.init(FieldHandler.java:1018) at org.apache.felix.scr.impl.manager.DependencyManager.invokeInitMethod(DependencyManager.java:1657) at org.apache.felix.scr.impl.manager.DependencyManager.open(DependencyManager.java:1533) at org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:261) at org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:109) at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:906) at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:879) at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:823) 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) ... 46 more Mit freundlichen Grüßen / Best regards Dirk Fauth Automotive Service Solutions, ESI application (AA-AS/EIS2-EU) Robert Bosch GmbH | Postfach 11 29 | 73201 Plochingen | GERMANY | www.bosch.com<http://www.bosch.com> Tel. +49(7153)666-1155 | dirk.fa...@de.bosch.com<mailto:dirk.fa...@de.bosch.com> Sitz: Stuttgart, Registergericht: Amtsgericht Stuttgart, HRB 14000; Aufsichtsratsvorsitzender: Franz Fehrenbach; Geschäftsführung: Dr. Volkmar Denner, Prof. Dr. Stefan Asenkerschbaumer, Dr. Rolf Bulander, Dr. Stefan Hartung, Dr. Markus Heyn, Dr. Dirk Hoheisel, Christoph Kübel, Uwe Raschke, Peter Tyroller Von: osgi-dev-boun...@mail.osgi.org [mailto:osgi-dev-boun...@mail.osgi.org] Im Auftrag von Peter Kriens Gesendet: Mittwoch, 26. April 2017 09:14 An: OSGi Developer Mail List <osgi-dev@mail.osgi.org> Betreff: Re: [osgi-dev] handling optional/dynamic imports in DS I used to import the package optional and then provide it as an internal Private-Package. The import has priority but the internal package is used when the import fails to resolve. Since you’re then always wired to a package you can handle dependencies on the place they should be handled: services. This keeps everybody happy internally for very little cost. I’ve included a bndtools/enRoute example. Kind regards, Peter Kriens ————————————————— bnd.bnd Private-Package: \ org.osgi.service.cm,\ com.foo.provider Import-Package: \ org.osgi.service.cm;resolution:=optional,\ * -buildpath: \ osgi.enroute.base.api -runrequires: \ osgi.identity;filter:='(osgi.identity=com.foo.provider)',\ osgi.identity;filter:='(osgi.identity=org.apache.felix.gogo.runtime)',\ osgi.identity;filter:='(osgi.identity=org.apache.felix.gogo.shell)',\ osgi.identity;filter:='(osgi.identity=org.apache.felix.gogo.command)' -runbundles: \ com.foo.provider;version=snapshot,\ org.apache.felix.log;version='[1.0.1,1.0.2)',\ org.apache.felix.scr;version='[2.0.2,2.0.3)',\ org.apache.felix.gogo.runtime,\ org.apache.felix.gogo.shell;version=0.16 ————————————————— com.foo.provider.Optional @Component public class Optional { @Reference(cardinality=ReferenceCardinality.OPTIONAL) ConfigurationAdmin admin; @Activate void activate() { System.out.println("activate " + admin); } } On 25 Apr 2017, at 23:10, Raymond Auge <raymond.a...@liferay.com<mailto:raymond.a...@liferay.com>> wrote: I'm wondering if there is a reasonable model for handling optional or dynamic package imports in DS. While optionality at the package level is not an ideal model, sometimes it can't be avoided. I'd like to know if others have come across a "reasonable" way to model this in DS. Sincerely, -- Raymond Augé<http://www.liferay.com/web/raymond.auge/profile> (@rotty3000) Senior Software Architect Liferay, Inc.<http://www.liferay.com/> (@Liferay) Board Member & EEG Co-Chair, OSGi Alliance<http://osgi.org/> (@OSGiAlliance) _______________________________________________ OSGi Developer Mail List osgi-dev@mail.osgi.org<mailto:osgi-dev@mail.osgi.org> https://mail.osgi.org/mailman/listinfo/osgi-dev
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