java.lang.NoClassDefFoundError: org/openide/util/datatransfer/ExTransferable$1
   at org.openide.util.datatransfer.ExTransferable.<init>(ExTransferable.java:98)
   at org.openide.util.datatransfer.ExTransferable.create(ExTransferable.java:173)
   at org.openide.loaders.DataNode.clipboardCut(DataNode.java:649)
   at org.openide.nodes.FilterNode.clipboardCut(FilterNode.java:650)
   at org.openide.nodes.FilterNode.clipboardCut(FilterNode.java:650)
   at org.openide.nodes.FilterNode.clipboardCut(FilterNode.java:650)
   at org.openide.explorer.view.DragDropUtilities.getNodeTransferable(DragDropUtilities.java:137)
   at org.openide.explorer.view.ExplorerDragSupport.dragGestureRecognized(ExplorerDragSupport.java:132)
   at org.openide.explorer.view.TreeViewDragSupport.dragGestureRecognized(TreeViewDragSupport.java:94)
   at java.awt.dnd.DragGestureRecognizer.fireDragGestureRecognized(DragGestureRecognizer.java:361)
   at sun.lwawt.macosx.CMouseDragGestureRecognizer.mouseDragged(CMouseDragGestureRecognizer.java:139)
   at java.awt.AWTEventMulticaster.mouseDragged(AWTEventMulticaster.java:320)
   at java.awt.AWTEventMulticaster.mouseDragged(AWTEventMulticaster.java:319)
   at java.awt.AWTEventMulticaster.mouseDragged(AWTEventMulticaster.java:319)
   at java.awt.Component.processMouseMotionEvent(Component.java:6573)
   at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3339)
   at java.awt.Component.processEvent(Component.java:6294)
   at java.awt.Container.processEvent(Container.java:2234)
   at java.awt.Component.dispatchEventImpl(Component.java:4881)
   at java.awt.Container.dispatchEventImpl(Container.java:2292)
   at java.awt.Component.dispatchEvent(Component.java:4703)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4898)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4550)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4462)
   at java.awt.Container.dispatchEventImpl(Container.java:2278)
   at java.awt.Window.dispatchEventImpl(Window.java:2739)
   at java.awt.Component.dispatchEvent(Component.java:4703)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
   at java.awt.EventQueue.access$400(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:697)
   at java.awt.EventQueue$3.run(EventQueue.java:691)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
   at java.awt.EventQueue$4.run(EventQueue.java:719)
   at java.awt.EventQueue$4.run(EventQueue.java:717)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)