"AWT-EventQueue-1" prio=10 tid=0x08697000 nid=0x27 runnable [0xf4bff000..0xf4bffb70]
   java.lang.Thread.State: RUNNABLE
        at java.util.Vector.indexOf(Vector.java:360)
        - locked <0x8d2ec2d0> (a java.util.Vector)
        at java.util.Vector.indexOf(Vector.java:335)
        at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.getRow(VariableHeightLayoutCache.java:1174)
        at javax.swing.tree.VariableHeightLayoutCache.createNodeAt(VariableHeightLayoutCache.java:784)
        at javax.swing.tree.VariableHeightLayoutCache.treeNodesInserted(VariableHeightLayoutCache.java:473)
        at javax.swing.plaf.basic.BasicTreeUI$Handler.treeNodesInserted(BasicTreeUI.java:3790)
        at javax.swing.tree.DefaultTreeModel.fireTreeNodesInserted(DefaultTreeModel.java:499)
        at javax.swing.tree.DefaultTreeModel.nodesWereInserted(DefaultTreeModel.java:296)
        at org.openide.explorer.view.NodeTreeModel$Listener.added(NodeTreeModel.java:182)
        at org.openide.explorer.view.VisualizerChildren.added(VisualizerChildren.java:102)
        at org.openide.explorer.view.VisualizerEvent$Added.run(VisualizerEvent.java:109)
        at org.openide.util.Mutex.readAccess(Mutex.java:318)
        at org.openide.explorer.view.VisualizerNode$QP.run(VisualizerNode.java:682)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        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)