java.lang.NullPointerException
        at org.nbheaven.sqe.codedefects.ui.actions.RunAllQualityProvidersAction.areQualityProvidersActive(RunAllQualityProvidersAction.java:123)
        at org.nbheaven.sqe.codedefects.ui.actions.RunAllQualityProvidersAction.updateEnableState(RunAllQualityProvidersAction.java:109)
        at org.nbheaven.sqe.codedefects.ui.actions.RunAllQualityProvidersAction.resultChanged(RunAllQualityProvidersAction.java:92)
        at org.openide.util.lookup.SimpleProxyLookup.checkLookup(SimpleProxyLookup.java:111)
        at org.openide.util.lookup.SimpleProxyLookup.access$000(SimpleProxyLookup.java:58)
        at org.openide.util.lookup.SimpleProxyLookup$ProxyResult.checkResult(SimpleProxyLookup.java:183)
        at org.openide.util.lookup.SimpleProxyLookup$ProxyResult.allInstances(SimpleProxyLookup.java:255)
        at org.netbeans.modules.navigator.NavigatorController.updateContext(NavigatorController.java:302)
        at org.netbeans.modules.navigator.NavigatorController.run(NavigatorController.java:598)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:235)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:616)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:286)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:201)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:191)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:186)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:178)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:139)