java.lang.NullPointerException
        at org.netbeans.modules.visualweb.insync.faces.refactoring.FacesRefactoringUtils.isJavaFileObjectOfInterest(FacesRefactoringUtils.java:237)
        at org.netbeans.modules.visualweb.insync.faces.refactoring.FacesRefactoringsPluginFactory.createInstance(FacesRefactoringsPluginFactory.java:141)
        at org.netbeans.modules.refactoring.api.AbstractRefactoring.getPlugins(AbstractRefactoring.java:131)
        at org.netbeans.modules.refactoring.api.AbstractRefactoring.addProgressListener(AbstractRefactoring.java:257)
        at org.netbeans.modules.refactoring.spi.impl.ParametersPanel.showDialog(ParametersPanel.java:448)
        at org.netbeans.modules.refactoring.spi.impl.RefactoringPanel.refresh(RefactoringPanel.java:605)
        at org.netbeans.modules.refactoring.spi.impl.RefactoringPanel.<init>(RefactoringPanel.java:139)
        at org.netbeans.modules.refactoring.spi.impl.RefactoringPanel.<init>(RefactoringPanel.java:131)
        at org.netbeans.modules.refactoring.spi.ui.UI.openRefactoringUI(UI.java:72)
        at org.netbeans.modules.refactoring.java.ui.RefactoringActionsProvider$NodeToFileObjectTask.run(RefactoringActionsProvider.java:684)
        at org.netbeans.modules.refactoring.java.RetoucheUtils.invokeAfterScanFinished(RetoucheUtils.java:900)
        at org.netbeans.modules.refactoring.java.ui.RefactoringActionsProvider.doRename(RefactoringActionsProvider.java:156)
        at org.netbeans.modules.refactoring.api.impl.ActionsImplementationFactory.doRename(ActionsImplementationFactory.java:69)
        at org.netbeans.modules.refactoring.spi.impl.RenameAction.performAction(RenameAction.java:62)
        at org.netbeans.modules.refactoring.spi.impl.RefactoringGlobalAction.performAction(RefactoringGlobalAction.java:131)
        at org.openide.util.actions.NodeAction.performAction(NodeAction.java:289)
        at org.openide.util.actions.CallableSystemAction$1.run(CallableSystemAction.java:118)
        at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:77)
        at org.openide.util.actions.CallableSystemAction.actionPerformed(CallableSystemAction.java:114)
        at org.openide.util.actions.NodeAction.actionPerformed(NodeAction.java:277)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:302)
        at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1000)
        at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1041)
        at java.awt.Component.processMouseEvent(Component.java:5501)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)
        at java.awt.Component.processEvent(Component.java:5266)
        at java.awt.Container.processEvent(Container.java:1966)
        at java.awt.Component.dispatchEventImpl(Component.java:3968)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3803)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4212)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3892)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1778)
        at java.awt.Component.dispatchEvent(Component.java:3803)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)