java.lang.NullPointerException at javax.swing.text.JTextComponent.setDocument(JTextComponent.java:450)

[markiewb]

java.lang.NullPointerException
at javax.swing.text.JTextComponent.setDocument(JTextComponent.java:450)
at bluej.editor.moe.NVDrawPane.setDocument(NVDrawPane.java:64)
at bluej.editor.moe.NaviView.setDocument(NaviView.java:106)
at bluej.editor.moe.NaviView.(NaviView.java:90)
at de.markiewb.netbeans.plugins.outline.OutlineTopComponent.resultChanged(OutlineTopComponent.java:103)
at org.openide.util.lookup.SimpleProxyLookup.checkLookup(SimpleProxyLookup.java:114)
at org.openide.util.lookup.SimpleProxyLookup.lookup(SimpleProxyLookup.java:156)
at org.netbeans.modules.openide.windows.GlobalActionContextImpl.blickActionMapImpl(GlobalActionContextImpl.java:130)
at org.netbeans.modules.openide.windows.GlobalActionContextImpl.blickActionMap(GlobalActionContextImpl.java:106)
at org.netbeans.modules.openide.windows.GlobalActionContextImpl.propertyChange(GlobalActionContextImpl.java:200)
at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:328)
at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
at java.awt.KeyboardFocusManager.firePropertyChange(KeyboardFocusManager.java:1434)
at java.awt.KeyboardFocusManager.setGlobalPermanentFocusOwner(KeyboardFocusManager.java:738)
at java.awt.Component.removeNotify(Component.java:6964)
at java.awt.Container.removeNotify(Container.java:2816)
at java.awt.Window.removeNotify(Window.java:782)
at java.awt.Frame.removeNotify(Frame.java:1041)
at java.awt.Window$1DisposeAction.run(Window.java:1190)
at java.awt.Window.doDispose(Window.java:1205)
at java.awt.Window.dispose(Window.java:1147)
at org.netbeans.core.startup.Splash$SplashRunner.run(Splash.java:640)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
[catch] at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)