java.lang.ArrayIndexOutOfBoundsException: 38 >= 38 at java.util.Vector.elementAt(Vector.java:427) at javax.swing.tree.DefaultMutableTreeNode.getChildAt(DefaultMutableTreeNode.java:230) at javax.swing.tree.VariableHeightLayoutCache.treeNodesRemoved(VariableHeightLayoutCache.java:543) at javax.swing.plaf.basic.BasicTreeUI$Handler.treeNodesRemoved(BasicTreeUI.java:3815) at javax.swing.tree.DefaultTreeModel.fireTreeNodesRemoved(DefaultTreeModel.java:530) at javax.swing.tree.DefaultTreeModel.nodesWereRemoved(DefaultTreeModel.java:310) at org.openide.explorer.view.NodeTreeModel$Listener.removed(NodeTreeModel.java:197) at org.openide.explorer.view.VisualizerChildren.removed(VisualizerChildren.java:165) at org.openide.explorer.view.VisualizerEvent$Removed.run(VisualizerEvent.java:145) at org.openide.util.Mutex.readAccess(Mutex.java:362) at org.openide.explorer.view.VisualizerNode$QP.run(VisualizerNode.java:667) 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:284) 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)