java.lang.ClassCastException: org.netbeans.jmi.javamodel.Case$Impl
	at org.netbeans.modules.javacore.internalapi.JavaModelUtil.getSelectedStatements(JavaModelUtil.java:168)
	at org.netbeans.modules.refactoring.plugins.ExtractMethodRefactoringPlugin.checkStatements(ExtractMethodRefactoringPlugin.java:139)
	at org.netbeans.modules.refactoring.plugins.ExtractMethodRefactoringPlugin.preCheck(ExtractMethodRefactoringPlugin.java:100)
	at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPreCheck(AbstractRefactoring.java:299)
	at org.netbeans.modules.refactoring.api.AbstractRefactoring.preCheck(AbstractRefactoring.java:144)
	at org.netbeans.modules.refactoring.spi.ui.ParametersPanel$9.run(ParametersPanel.java:441)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:514)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:947)