java.lang.AssertionError: 
Event: org.openide.explorer.view.VisualizerEvent$Removed
Original event: org.openide.nodes.NodeMemberEvent
current vis. nodes:
Indexes: 0 
org.openide.nodes.NodeMemberEvent[node=org.netbeans.modules.viewmodel.TreeModelNode@f638c7[Name=, displayName='AWT-EventQueue-0' suspended at 'DarwinSessionAdapter.extractToModel:85'], add=false
  0 at 0 = org.netbeans.modules.viewmodel.TreeModelNode@112c071[Name=, displayName=DarwinSessionAdapter.extractToModel:82]
]
curr. snapshot: org.openide.nodes.EntrySupport$Default$DefaultSnapshot
[org.netbeans.modules.viewmodel.TreeModelNode@1c8cbe9[Name=, displayName=OutputManager.extractFieldValues:560], org.netbeans.modules.viewmodel.TreeModelNode@13cd65d[Name=, displayName=OutputManager.restoreOutputState:119], org.netbeans.modules.viewmodel.TreeModelNode@10ee2bb[Name=, displayName=StreamLiveFSApp$8.propertyChange:1029], org.netbeans.modules.viewmodel.TreeModelNode@5dbd19[Name=, displayName=PropertyChangeSupport.firePropertyChange:339], org.netbeans.m
        at org.openide.explorer.view.VisualizerChildren.removed(VisualizerChildren.java:249)
        at org.openide.explorer.view.VisualizerEvent$Removed.run(VisualizerEvent.java:132)
        at org.openide.util.Mutex.readAccess(Mutex.java:362)
        at org.openide.util.Mutex$1R.run(Mutex.java:1301)
        at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1810)
        at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1320)
        at org.openide.util.Mutex.readAccess(Mutex.java:351)
        at org.openide.explorer.view.VisualizerNode$QP.run(VisualizerNode.java:707)
        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:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)