java.lang.IllegalStateException: The model is not initialized or is broken.
   at org.netbeans.modules.xml.xdm.XDMModel.checkStableOrParsingState(XDMModel.java:980)
   at org.netbeans.modules.xml.xdm.XDMModel.getDocument(XDMModel.java:822)
   at org.netbeans.modules.xml.xdm.xam.XDMAccess.findPosition(XDMAccess.java:385)
   at org.netbeans.modules.xml.xam.dom.AbstractDocumentComponent.findPosition(AbstractDocumentComponent.java:484)
   at org.netbeans.modules.xml.validation.ui.Output.getPosition(Output.java:223)
   at org.netbeans.modules.xml.validation.ui.Output.getLineNumber(Output.java:204)
   at org.netbeans.modules.xml.validation.ui.Output.showMessage(Output.java:156)
   at org.netbeans.modules.xml.validation.ui.Output.showError(Output.java:142)
   at org.netbeans.modules.xml.validation.ui.Output.printGuidanceInformation(Output.java:124)
   at org.netbeans.modules.xml.validation.ui.Output.validate(Output.java:107)
   at org.netbeans.modules.xml.validation.ui.Output.validate(Output.java:77)
   at org.netbeans.modules.xml.wsdl.ui.netbeans.module.WSDLValidateXMLCookie.validateXML(WSDLValidateXMLCookie.java:65)
   at org.netbeans.modules.xml.tools.actions.ValidateAction$RunAction.run(ValidateAction.java:123)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:577)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1030)