We've generated ws client by means of wxconsume from jbossws-native-2.0.2.GA. Everything looked good, until we got an exception.

javax.xml.ws.WebServiceException: unexpected XML reader state. expected: END_ELEMENT but found: START_ELEMENT
 at com.sun.xml.internal.ws.encoding.soap.client.SOAPXMLDecoder.toInternalMessage(Unknown Source)
 at com.sun.xml.internal.ws.protocol.soap.client.SOAPMessageDispatcher.receive(Unknown Source)
 at com.sun.xml.internal.ws.protocol.soap.client.SOAPMessageDispatcher.doSend(Unknown Source)
 at com.sun.xml.internal.ws.protocol.soap.client.SOAPMessageDispatcher.send(Unknown Source)
 at com.sun.xml.internal.ws.encoding.soap.internal.DelegateBase.send(Unknown Source)
 at com.sun.xml.internal.ws.client.EndpointIFInvocationHandler.implementSEIMethod(Unknown Source)
 at com.sun.xml.internal.ws.client.EndpointIFInvocationHandler.invoke(Unknown Source)
 at $Proxy17.listStudents(Unknown Source)
 at testContingent.main(testContingent.java:32)
Caused by: unexpected XML reader state. expected: END_ELEMENT but found: START_ELEMENT
 at com.sun.xml.internal.ws.streaming.XMLStreamReaderUtil.verifyReaderState(Unknown Source)
 at com.sun.xml.internal.ws.encoding.soap.SOAPDecoder.decodeBody(Unknown Source)
 at com.sun.xml.internal.ws.encoding.soap.client.SOAPXMLDecoder.decodeBody(Unknown Source)
 at com.sun.xml.internal.ws.encoding.soap.client.SOAPXMLDecoder.decodeEnvelope(Unknown Source)
 ... 9 more

public class testContingent {
 public static void main(String[] args) {
 Contingent contingent = new Contingent();
 StudentsSrvPort studentsSrvPort = contingent.getContingentSOAP();
 ObjectFactory of = new ObjectFactory();
 ListStudentsRequest listStudentsRequest = of.createListStudentsRequest();
 listStudentsRequest.setFirstName("");
 listStudentsRequest.setMiddleName("");
 listStudentsRequest.setLastName("");
 listStudentsRequest.setStudentState("");
 listStudentsRequest.setGender("");
 listStudentsRequest.setCardNumber("");
 listStudentsRequest.setDisabled(null);
 listStudentsRequest.setDormitory(null);
 listStudentsRequest.setForeign(null);
 listStudentsRequest.setGroup("5-11");
 try{
 List<Student> studList = new ArrayList<Student>(studentsSrvPort.listStudents(listStudentsRequest).getStudent());

 if (studList != null) {
 for (Student stud : studList){
 System.out.println(new String((stud.getId()+" "+stud.getName()).getBytes("UTF8")));
 }
 }
 } catch (WebServiceException e) {
 e.printStackTrace();
 } catch (UnsupportedEncodingException e) {
 e.printStackTrace();
 }
 }
}

POST /SOAP HTTP/1.1
Content-Length: 501
SOAPAction: "http://contingent.bmstu.ru/listStudents"
Accept: text/xml, application/xop+xml, text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2
Content-Type: text/xml; charset=utf-8
User-Agent: Java/1.6.0_01
Host: contingent.bmstu.ru:144
Connection: keep-alive

<?xml version="1.0" ?>
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:ns1="http://contingent.bmstu.ru/">
 <soapenv:Body>
 <ns1:listStudentsRequest>
 <ns1:lastName></ns1:lastName>
 <ns1:firstName></ns1:firstName>
 <ns1:middleName></ns1:middleName>
 <ns1:group>5-11</ns1:group>
 <ns1:gender></ns1:gender>
 <ns1:cardNumber></ns1:cardNumber>
 <ns1:studentState></ns1:studentState>
 </ns1:listStudentsRequest>
 </soapenv:Body>
</soapenv:Envelope>

HTTP/1.1 200
Server: nginx/0.5.20
Date: Thu, 17 Jan 2008 13:53:35 GMT
Content-Type: text/xml; charset=utf-8
Connection: keep-alive
Content-length: 38923

<?xml version='1.0'?>
<soapenv:Envelope xmlns:ns1='http://contingent.bmstu.ru/'
 xmlns:soapenv='http://schemas.xmlsoap.org/soap/envelope/'
 xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
 xmlns:xsd='http://www.w3.org/2001/XMLSchema'>
 <soapenv:Body>
 <listStudentsResponse xsi:type='ns1:listStudentsResponse'>
 <student xsi:type='ns1:Student'>
 <id>67b8a137-8636-4c20-9649-00000001b583</id>
 <name>xxx xxx xxx</name>
 <firstName>xxx</firstName>
 <middleName>xxx</middleName>
 <lastName>xxx</lastName>
 <gender xsi:type='ns1:Classifier'>
 <id>2c4fdb64-0c14-4dd1-81c1-000000000001</id>
 <name>xxx</name>
 </gender>
 <cardNumber>07�£024</cardNumber>
 <studyType xsi:type='ns1:Classifier'>
 <id>f3fd113a-e251-4816-b411-000000000001</id>
 <name>xxx</name>
 </studyType>
 <studentState xsi:type='ns1:Classifier'>
 <id>9e32657c-61c5-4e58-8ca6-000000000002</id>
 <name>xxx</name>
 </studentState>
 <dormitory>false</dormitory>
 <group xsi:type='ns1:Group'>
 <id>e3664f92-3b36-430e-a638-000000001afa</id>
 <name>5-11</name>
 </group>
 <profession xsi:type='ns1:ProfessionClassifier'>
 <id>ffffffff-ffff-ffff-ffff-ffffffffffff</id>
 <professionCode>230102</professionCode>
 <specializationCode>00</specializationCode>
 <qualificationCode>65</qualificationCode>
 </profession>
 <disabled>false</disabled>
 <foreign>false</foreign>
 <militaryState xsi:type='ns1:Classifier'>
 <id>a6d7fb86-4925-4aed-89bf-000000000000</id>
 <name/>
 </militaryState>
 </student>
 </listStudentsResponse>
 </soapenv:Body>
</soapenv:Envelope>