java.lang.IllegalArgumentException: setSelectedIndex: 0 out of bounds
   at javax.swing.JComboBox.setSelectedIndex(JComboBox.java:620)
   at org.netbeans.modules.xml.refactoring.ui.CopyPanel.updateRoots(CopyPanel.java:391)
   at org.netbeans.modules.xml.refactoring.ui.CopyPanel.actionPerformed(CopyPanel.java:309)
   at javax.swing.JComboBox.fireActionEvent(JComboBox.java:1258)
   at javax.swing.JComboBox.setSelectedItem(JComboBox.java:586)
   at org.netbeans.modules.xml.refactoring.ui.CopyPanel.initValues(CopyPanel.java:148)
   at org.netbeans.modules.xml.refactoring.ui.CopyPanel.<init>(CopyPanel.java:113)
   at org.netbeans.modules.xml.refactoring.ui.CopyRefactoringUI.getPanel(CopyRefactoringUI.java:102)
   at org.netbeans.modules.refactoring.spi.impl.ParametersPanel.<init>(ParametersPanel.java:153)
   at org.netbeans.modules.refactoring.spi.impl.RefactoringPanel.refresh(RefactoringPanel.java:681)
   at org.netbeans.modules.refactoring.spi.impl.RefactoringPanel.<init>(RefactoringPanel.java:169)
   at org.netbeans.modules.refactoring.spi.impl.RefactoringPanel.<init>(RefactoringPanel.java:157)
   at org.netbeans.modules.refactoring.spi.ui.UI.openRefactoringUI(UI.java:75)
   at org.netbeans.modules.xml.refactoring.XMLRefactoringActionsProvider.doCopy(XMLRefactoringActionsProvider.java:284)
   at org.netbeans.modules.refactoring.api.impl.ActionsImplementationFactory.doCopy(ActionsImplementationFactory.java:181)
   at org.netbeans.modules.refactoring.spi.impl.CopyAction.performAction(CopyAction.java:76)
   at org.netbeans.modules.refactoring.spi.impl.RefactoringGlobalAction$ContextAction.actionPerformed(RefactoringGlobalAction.java:197)
   at org.netbeans.modules.refactoring.impl.ClipboardConvertor$RefactoringPaste$RefactoringPasteType$1.run(ClipboardConvertor.java:149)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:709)
   at java.awt.EventQueue$3.run(EventQueue.java:703)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
   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)