----- Original exception ---------------------------------------------
java.lang.RuntimeException: Last token is null for ASTree: org.netbeans.lib.gjast.ASTreeNode@27f588 of type: 15;
calling endTree.getLastToken() returns -1
	at org.netbeans.modules.javacore.parser.ASTProvider.createBounds(ASTProvider.java:364)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.MetadataElement.getPosition(MetadataElement.java:457)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ElementFinder.getElementByOffset(ElementFinder.java:38)
	at org.netbeans.modules.javacore.JMManager.getElementByOffset(JMManager.java:670)
	at org.netbeans.modules.refactoring.api.ui.AbstractRefactoringAction.run(AbstractRefactoringAction.java:127)
	at org.netbeans.modules.refactoring.api.ui.AbstractRefactoringAction.performAction(AbstractRefactoringAction.java:70)
	at org.openide.util.actions.NodeAction.performAction(NodeAction.java:193)
	at org.openide.util.actions.CallableSystemAction$1.run(CallableSystemAction.java:78)
	at org.openide.util.actions.CallableSystemAction.doPerformAction(CallableSystemAction.java:116)
	at org.openide.util.actions.CallableSystemAction.actionPerformed(CallableSystemAction.java:76)
	at org.openide.util.actions.NodeAction.actionPerformed(NodeAction.java:184)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1786)
	at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1839)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
	at javax.swing.AbstractButton.doClick(AbstractButton.java:289)
	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1113)
	at javax.swing.plaf.basic.BasicMenuItemUI$MouseInputHandler.mouseReleased(BasicMenuItemUI.java:943)
	at java.awt.Component.processMouseEvent(Component.java:5100)
	at java.awt.Component.processEvent(Component.java:4897)
	at java.awt.Container.processEvent(Container.java:1569)
	at java.awt.Component.dispatchEventImpl(Component.java:3615)
	at java.awt.Container.dispatchEventImpl(Container.java:1627)
	at java.awt.Component.dispatchEvent(Component.java:3477)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3198)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)
	at java.awt.Container.dispatchEventImpl(Container.java:1613)
	at java.awt.Window.dispatchEventImpl(Window.java:1606)
	at java.awt.Component.dispatchEvent(Component.java:3477)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)