"use of JAX-WS-specific types" at runtime with an auto generated XBean client

Caused by: org.apache.cxf.service.factory.ServiceConstructionException: Message part 
{http://www.X.com/is/xml/core/model/util/exception}SolifeXFireServiceException of Message 
{http://www.X.com/is/core/services}SolifeXFireServiceException cannot be processed. This can be caused by the use of JAX-WS-specific types without the JAX-WS service factory bean.
	at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.checkForElement(ReflectionServiceFactoryBean.java:1036)
	at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.buildServiceFromClass(ReflectionServiceFactoryBean.java:455)
	at org.apache.cxf.jaxws.support.JaxWsServiceFactoryBean.buildServiceFromClass(JaxWsServiceFactoryBean.java:637)
	at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeServiceModel(ReflectionServiceFactoryBean.java:492)

    <jaxws:client id="offerService"
                  serviceClass="com.bsb.is.core.services.OfferService"
                  address="${ws.base.url}/OfferService?wsdl">
        <jaxws:dataBinding>
            <bean class="org.apache.cxf.xmlbeans.XmlBeansDataBinding"/>
        </jaxws:dataBinding>
    </jaxws:client>

package com.X.is.core.services;

import javax.xml.ws.WebFault;


/**
 * This class was generated by Apache CXF 2.2.10
 * Thu Oct 07 14:18:53 CEST 2010
 * Generated source version: 2.2.10
 * 
 */

@WebFault(name = "SolifeExceptionDetail", targetNamespace = "http://www.X.com/is/xml/core/model/util/exception")
public class SolifeXFireServiceException extends Exception {
//    public static final long serialVersionUID = 20101007141853L;
    
    private com.X.is.xml.core.model.util.exception.SolifeExceptionDetail solifeExceptionDetail;

    public SolifeXFireServiceException() {
        super();
    }
    
    public SolifeXFireServiceException(String message) {
        super(message);
    }
    
    public SolifeXFireServiceException(String message, Throwable cause) {
        super(message, cause);
    }

    public SolifeXFireServiceException(String message, com.X.is.xml.core.model.util.exception.SolifeExceptionDetail solifeExceptionDetail) {
        super(message);
        this.solifeExceptionDetail = solifeExceptionDetail;
    }

    public SolifeXFireServiceException(String message, com.X.is.xml.core.model.util.exception.SolifeExceptionDetail solifeExceptionDetail, Throwable cause) {
        super(message, cause);
        this.solifeExceptionDetail = solifeExceptionDetail;
    }

    public com.X.is.xml.core.model.util.exception.SolifeExceptionDetail getFaultInfo() {
        return this.solifeExceptionDetail;
    }
}