java.lang.NullPointerException
   at org.netbeans.modules.websvc.wsitconf.wsdlmodelext.WSITModelSupport.getModelForServiceFromJava(WSITModelSupport.java:421)
   at org.netbeans.modules.websvc.wsitconf.refactoring.WSITMoveRefactoringPlugin.prepare(WSITMoveRefactoringPlugin.java:132)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare2(AbstractRefactoring.java:437)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare(AbstractRefactoring.java:421)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.prepare(AbstractRefactoring.java:232)
   at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$Prepare.run(ParametersPanel.java:1026)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)