java.lang.IllegalArgumentException: URI has an authority component
   at java.io.File.<init>(File.java:423)
   at org.netbeans.modules.refactoring.java.RefactoringUtils.getPackageName(RefactoringUtils.java:384)
   at org.netbeans.modules.refactoring.java.plugins.CopyClassRefactoringPlugin.fastCheckParameters(CopyClassRefactoringPlugin.java:117)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsFastCheckParams(AbstractRefactoring.java:530)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.fastCheckParameters(AbstractRefactoring.java:283)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.checkParameters(AbstractRefactoring.java:260)
   at org.netbeans.modules.refactoring.java.ui.CopyClassRefactoringUI.setParameters(CopyClassRefactoringUI.java:129)
   at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$Prepare.run(ParametersPanel.java:1010)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)