java.util.NoSuchElementException
        at java.util.AbstractList$Itr.next(AbstractList.java:350)
        at org.openide.explorer.view.VisualizerChildren.added(VisualizerChildren.java:196)
        at org.openide.explorer.view.VisualizerEvent$Added.run(VisualizerEvent.java:100)
        at org.openide.util.Mutex.readAccess(Mutex.java:362)
        at org.openide.explorer.view.VisualizerNode$QP.run(VisualizerNode.java:686)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)