SEVERE [global]
java.lang.NullPointerException
        at java.util.Arrays$ArrayList.<init>(Arrays.java:3357)
        at java.util.Arrays.asList(Arrays.java:3343)
        at org.netbeans.core.multiview.MultiViewActionMap.keys(MultiViewActionMap.java:137)
        at org.netbeans.core.multiview.MultiViewActionMap.allKeys(MultiViewActionMap.java:123)
        at org.netbeans.core.multiview.MultiViewTopComponentLookup$LookupProxyActionMap.allKeys(MultiViewTopComponentLookup.java:269)
        at org.openide.awt.GlobalManager.notifyListeners(GlobalManager.java:189)
        at org.openide.awt.GlobalManager$1.run(GlobalManager.java:178)
        at org.openide.util.Mutex.doEvent(Mutex.java:1335)
        at org.openide.util.Mutex.readAccess(Mutex.java:345)
        at org.openide.awt.GlobalManager.resultChanged(GlobalManager.java:176)
        at org.openide.util.lookup.SimpleProxyLookup.checkLookup(SimpleProxyLookup.java:111)
        at org.openide.util.lookup.SimpleProxyLookup.lookup(SimpleProxyLookup.java:152)
        at org.netbeans.modules.openide.windows.GlobalActionContextImpl.propertyChange(GlobalActionContextImpl.java:134)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
        at org.netbeans.core.windows.RegistryImpl.doFirePropertyChange(RegistryImpl.java:318)
        at org.netbeans.core.windows.RegistryImpl.access$100(RegistryImpl.java:66)
        at org.netbeans.core.windows.RegistryImpl$1.run(RegistryImpl.java:170)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:633)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:125)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
[catch] at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)