org.bpmn2 activator throws NullPointerException on Felix/Karaf OSGi runtime

registering core  services
core services registered
registering compiler services
compiler services registered
registering api services
registering api : org.drools.io.impl.ResourceFactoryServiceImpl@2484e723 : interface org.drools.io.ResourceFactoryService
registering api : org.drools.marshalling.impl.MarshallerProviderImpl@ea211cf : interface org.drools.marshalling.MarshallerProvider
registering api : org.drools.impl.KnowledgeBaseFactoryServiceImpl@37dc299 : interface org.drools.KnowledgeBaseFactoryService
registering api : org.drools.builder.impl.KnowledgeBuilderFactoryServiceImpl@1e5003f6 : interface org.drools.builder.KnowledgeBuilderFactoryService
registering api : org.drools.marshalling.impl.MarshallerProviderImpl@ea211cf : interface org.drools.marshalling.MarshallerProvider
api drools services registered
registering api : org.jbpm.process.instance.ProcessRuntimeFactoryServiceImpl@4208719e : interface org.drools.runtime.process.ProcessRuntimeFactoryService
registering compiler : org.jbpm.process.instance.ProcessRuntimeFactoryServiceImpl@4208719e : interface org.drools.runtime.process.ProcessRuntimeFactoryService
registering api : org.jbpm.marshalling.impl.ProcessMarshallerFactoryServiceImpl@725bcf3a : interface org.drools.marshalling.impl.ProcessMarshallerFactoryService
registering api : org.jbpm.process.builder.ProcessBuilderFactoryServiceImpl@4ca49360 : interface org.drools.compiler.ProcessBuilderFactoryService
ERROR: Bundle org.jbpm.bpmn2 [293] Error starting mvn:org.jbpm/jbpm-bpmn2/5.3.0.Final (org.osgi.framework.BundleException: Activator start error in bundle org.jbpm.bpmn2 [293].)
java.lang.NullPointerException
        at org.apache.felix.framework.resolver.ResolverImpl.toStringBlame(ResolverImpl.java:1583)
        at org.apache.felix.framework.resolver.ResolverImpl.checkPackageSpaceConsistency(ResolverImpl.java:1007)
        at org.apache.felix.framework.resolver.ResolverImpl.resolve(ResolverImpl.java:171)
        at org.apache.felix.framework.Felix$FelixResolver.resolve(Felix.java:4103)
        at org.apache.felix.framework.ModuleImpl.searchDynamicImports(ModuleImpl.java:1412)
        at org.apache.felix.framework.ModuleImpl.findClassOrResourceByDelegation(ModuleImpl.java:734)
        at org.apache.felix.framework.ModuleImpl.access$400(ModuleImpl.java:71)
        at org.apache.felix.framework.ModuleImpl$ModuleClassLoader.loadClass(ModuleImpl.java:1768)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
        at org.jbpm.osgi.bpmn2.Activator.start(Activator.java:35)
        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:629)
        at org.apache.felix.framework.Felix.activateBundle(Felix.java:1842)
        at org.apache.felix.framework.Felix.startBundle(Felix.java:1759)
        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1163)
        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:264)
        at java.lang.Thread.run(Thread.java:679)

012-07-15 16:09:19,774 | ERROR | rint Extender: 1 | BlueprintContainerImpl | 9 - org.apache.aries.blueprint - 0.3.2 | Unable to start blueprint container for bundle com.soluvas.com.soluvas.process.shell
org.osgi.service.blueprint.container.ComponentDefinitionException: Error when instanciating bean bpmRepo of class class com.soluvas.process.shell.OsgiBpmRepository
        at org.apache.aries.blueprint.container.BeanRecipe.getInstance(BeanRecipe.java:271)[9:org.apache.aries.blueprint:0.3.2]
        at org.apache.aries.blueprint.container.BeanRecipe.internalCreate(BeanRecipe.java:708)[9:org.apache.aries.blueprint:0.3.2]
        at org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:64)[9:org.apache.aries.blueprint:0.3.2]
        at org.apache.aries.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:219)[9:org.apache.aries.blueprint:0.3.2]
        at org.apache.aries.blueprint.container.BlueprintRepository.createAll(BlueprintRepository.java:147)[9:org.apache.aries.blueprint:0.3.2]
        at org.apache.aries.blueprint.container.BlueprintContainerImpl.instantiateEagerComponents(BlueprintContainerImpl.java:631)[9:org.apache.aries.blueprint:0.3.2]
        at org.apache.aries.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:337)[9:org.apache.aries.blueprint:0.3.2]
        at org.apache.aries.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:230)[9:org.apache.aries.blueprint:0.3.2]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)[:1.6.0_23]
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)[:1.6.0_23]
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)[:1.6.0_23]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:165)[:1.6.0_23]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:266)[:1.6.0_23]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)[:1.6.0_23]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)[:1.6.0_23]
        at java.lang.Thread.run(Thread.java:679)[:1.6.0_23]
Caused by: java.lang.IllegalArgumentException: Unable to instantiate service for Class 'org.drools.compiler.BPMN2ProcessProvider'
        at org.drools.util.ServiceRegistryImpl.get(ServiceRegistryImpl.java:162)
        at org.drools.compiler.BPMN2ProcessFactory.loadProvider(BPMN2ProcessFactory.java:28)
        at org.drools.compiler.BPMN2ProcessFactory.getBPMN2ProcessProvider(BPMN2ProcessFactory.java:20)
        at org.drools.compiler.BPMN2ProcessFactory.configurePackageBuilder(BPMN2ProcessFactory.java:11)
        at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:687)
        at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:45)
        at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:34)
        at com.soluvas.process.shell.OsgiBpmRepository.<init>(OsgiBpmRepository.java:28)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)[:1.6.0_23]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)[:1.6.0_23]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)[:1.6.0_23]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:532)[:1.6.0_23]
        at org.apache.aries.blueprint.utils.ReflectionUtils.newInstance(ReflectionUtils.java:257)[9:org.apache.aries.blueprint:0.3.2]
        at org.apache.aries.blueprint.container.BeanRecipe.newInstance(BeanRecipe.java:842)[9:org.apache.aries.blueprint:0.3.2]
        at org.apache.aries.blueprint.container.BeanRecipe.getInstance(BeanRecipe.java:269)[9:org.apache.aries.blueprint:0.3.2]
        ... 15 more
Caused by: java.lang.IllegalArgumentException: Unable to instantiate 'org.jbpm.bpmn2.BPMN2ProcessProviderImpl'
        at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.newInstance(ServiceRegistryImpl.java:213)
        at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.call(ServiceRegistryImpl.java:205)
        at org.drools.util.ServiceRegistryImpl.get(ServiceRegistryImpl.java:160)
        ... 29 more
Caused by: java.lang.NullPointerException
        at org.apache.felix.framework.resolver.ResolverImpl.toStringBlame(ResolverImpl.java:1583)
        at org.apache.felix.framework.resolver.ResolverImpl.checkPackageSpaceConsistency(ResolverImpl.java:924)
        at org.apache.felix.framework.resolver.ResolverImpl.resolve(ResolverImpl.java:171)
        at org.apache.felix.framework.Felix$FelixResolver.resolve(Felix.java:4103)
        at org.apache.felix.framework.ModuleImpl.searchDynamicImports(ModuleImpl.java:1412)
        at org.apache.felix.framework.ModuleImpl.findClassOrResourceByDelegation(ModuleImpl.java:734)
        at org.apache.felix.framework.ModuleImpl.access$400(ModuleImpl.java:71)
        at org.apache.felix.framework.ModuleImpl$ModuleClassLoader.loadClass(ModuleImpl.java:1768)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:266)[:1.6.0_23]
        at java.lang.Class.forName0(Native Method)[:1.6.0_23]
        at java.lang.Class.forName(Class.java:186)[:1.6.0_23]
        at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.newInstance(ServiceRegistryImpl.java:210)
        ... 31 more