RoleServiceSoapServiceLocator RoleLocator = new RoleServiceSoapServiceLocator();
            URL Roleurl = new URL("http://localhost:8080/web/secure/axis/Portal_RoleService");
            serviceRole = RoleLocator.getPortal_RoleService(Roleurl);
            ((Portal_RoleServiceSoapBindingStub) serviceRole)
                    .setUsername("test@liferay.com");
            ((Portal_RoleServiceSoapBindingStub) serviceRole)
                    .setPassword("test");
serviceRole.addRole("Ruolo1", "Descrizione Ruolo1",RoleConstants.TYPE_REGULAR);

AxisFault
faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
faultSubcode:
faultString: org.xml.sax.SAXException: Processing instructions are not allowed within SOAP messages
faultActor:
faultNode:
faultDetail:
    {http://xml.apache.org/axis/}stackTrace:org.xml.sax.SAXException: Processing instructions are not allowed within SOAP messages
    at org.apache.axis.encoding.DeserializationContext.startDTD(DeserializationContext.java:1161)
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.doctypeDecl(AbstractSAXParser.java:334)
    at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.doctypeDecl(XMLDTDValidator.java:746)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.scanDoctypeDecl(XMLDocumentScannerImpl.java:712)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:968)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
    at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
    at javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
    at org.apache.axis.encoding.DeserializationContext.parse(DeserializationContext.java:227)
    at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:696)
    at org.apache.axis.Message.getSOAPEnvelope(Message.java:435)
    at org.apache.axis.handlers.soap.MustUnderstandChecker.invoke(MustUnderstandChecker.java:62)
    at org.apache.axis.client.AxisClient.invoke(AxisClient.java:206)
    at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
    at org.apache.axis.client.Call.invoke(Call.java:2767)
    at org.apache.axis.client.Call.invoke(Call.java:2443)
    at org.apache.axis.client.Call.invoke(Call.java:2366)
    at org.apache.axis.client.Call.invoke(Call.java:1812)
    at com.liferay.portal.service.http.Portal_RoleServiceSoapBindingStub.addRole(Portal_RoleServiceSoapBindingStub.java:420)