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.netbeans.modules.websvc.core.jaxws.nodes.OperationNode.clipboardCopy(OperationNode.java:116)
   at org.openide.nodes.AbstractNode.drag(AbstractNode.java:495)
   at org.openide.nodes.FilterNode.drag(FilterNode.java:673)
   at org.openide.explorer.view.DragDropUtilities.getNodeTransferable(DragDropUtilities.java:139)
   at org.openide.explorer.view.ExplorerDragSupport.dragGestureRecognized(ExplorerDragSupport.java:146)
   at org.openide.explorer.view.TreeViewDragSupport.dragGestureRecognized(TreeViewDragSupport.java:94)
   at java.awt.dnd.DragGestureRecognizer.fireDragGestureRecognized(DragGestureRecognizer.java:339)
   at apple.awt.CMouseDragGestureRecognizer.mouseDragged(CMouseDragGestureRecognizer.java:132)
   at java.awt.AWTEventMulticaster.mouseDragged(AWTEventMulticaster.java:303)
   at java.awt.AWTEventMulticaster.mouseDragged(AWTEventMulticaster.java:302)
   at java.awt.AWTEventMulticaster.mouseDragged(AWTEventMulticaster.java:302)
   at java.awt.Component.processMouseMotionEvent(Component.java:6430)
   at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3293)
   at java.awt.Component.processEvent(Component.java:6151)
   at java.awt.Container.processEvent(Container.java:2083)
   at java.awt.Component.dispatchEventImpl(Component.java:4744)
   at java.awt.Container.dispatchEventImpl(Container.java:2141)
   at java.awt.Component.dispatchEvent(Component.java:4572)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4619)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4297)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4210)
   at java.awt.Container.dispatchEventImpl(Container.java:2127)
   at java.awt.Window.dispatchEventImpl(Window.java:2489)
   at java.awt.Component.dispatchEvent(Component.java:4572)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:704)
   at java.awt.EventQueue.access$400(EventQueue.java:82)
   at java.awt.EventQueue$2.run(EventQueue.java:663)
   at java.awt.EventQueue$2.run(EventQueue.java:661)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
   at java.awt.EventQueue$3.run(EventQueue.java:677)
   at java.awt.EventQueue$3.run(EventQueue.java:675)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:674)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:162)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)