In build 108 of 7.1.0 roll-up patch 1, we encountered the same NPE issue as in ENTESB-555 for JBoss Fuse 6.0.x
ERROR: Bundle org.apache.aries.blueprint.core [7] Error stopping bundle. (java.lang.IllegalStateException: Service already unregistered.) java.lang.IllegalStateException: Service already unregistered. at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:134) at org.apache.aries.util.tracker.hook.BundleHookBundleTracker.close(BundleHookBundleTracker.java:88) at org.apache.aries.util.tracker.RecursiveBundleTracker.close(RecursiveBundleTracker.java:106) at org.apache.aries.blueprint.container.BlueprintExtender.stop(BlueprintExtender.java:166) at org.apache.felix.framework.util.SecureAction.stopActivator(SecureAction.java:667) at org.apache.felix.framework.Felix.stopBundle(Felix.java:2604) at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1305) at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:298) at java.lang.Thread.run(Thread.java:722) ERROR: Bundle org.apache.aries.blueprint.core [7] Error stopping mvn:org.apache.aries.blueprint/org.apache.aries.blueprint.core/1.0.1.fuse-71-047 (org.osgi.framework.BundleException: Activator stop error in bundle org.apache.aries.blueprint.core [7].) java.lang.IllegalStateException: Service already unregistered. at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:134) at org.apache.aries.util.tracker.hook.BundleHookBundleTracker.close(BundleHookBundleTracker.java:88) at org.apache.aries.util.tracker.RecursiveBundleTracker.close(RecursiveBundleTracker.java:106) at org.apache.aries.blueprint.container.BlueprintExtender.stop(BlueprintExtender.java:166) at org.apache.felix.framework.util.SecureAction.stopActivator(SecureAction.java:667) at org.apache.felix.framework.Felix.stopBundle(Felix.java:2604) at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1305) at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:298) at java.lang.Thread.run(Thread.java:722)