javax.swing.text.BadLocationException: Length must be positive
    at javax.swing.text.AbstractDocument.getText(AbstractDocument.java:755)
    at org.netbeans.modules.refactoring.java.DiffElement.create(DiffElement.java:97)
    at org.netbeans.modules.refactoring.java.plugins.RenameRefactoringPlugin.prepare(RenameRefactoringPlugin.java:383)
    at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare(AbstractRefactoring.java:301)
    at org.netbeans.modules.refactoring.api.AbstractRefactoring.prepare(AbstractRefactoring.java:166)
    at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$Prepare.run(ParametersPanel.java:686)
    at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:541)
    at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:963)
INFO [org.netbeans.modules.java.source]: Saved D:/work/nbi-trunk/engine/src/org/netbeans/installer/utils/XMLUtils.java