WebService 生成客户端错误,弄了很久了,半天了

WebService 生成客户端异常,弄了很久了,半天了
Exception in thread "main" java.lang.IncompatibleClassChangeError: Class com.ibm.wsdl.DefinitionImpl does not implement the requested interface javax.wsdl.extensions.AttributeExtensible
at org.apache.cxf.wsdl11.WSDLServiceBuilder.copyExtensionAttributes(WSDLServiceBuilder.java:121)
at org.apache.cxf.wsdl11.WSDLServiceBuilder.buildServices(WSDLServiceBuilder.java:229)
at org.apache.cxf.wsdl11.WSDLServiceBuilder.buildServices(WSDLServiceBuilder.java:161)
at org.apache.cxf.wsdl11.WSDLServiceFactory.create(WSDLServiceFactory.java:117)
at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.buildServiceFromWSDL(ReflectionServiceFactoryBean.java:312)
at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeServiceModel(ReflectionServiceFactoryBean.java:408)
at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.create(ReflectionServiceFactoryBean.java:189)
at org.apache.cxf.jaxws.support.JaxWsServiceFactoryBean.create(JaxWsServiceFactoryBean.java:164)
at org.apache.cxf.frontend.AbstractWSDLBasedEndpointFactory.createEndpoint(AbstractWSDLBasedEndpointFactory.java:100)
at org.apache.cxf.frontend.ClientFactoryBean.create(ClientFactoryBean.java:52)
at org.apache.cxf.frontend.ClientProxyFactoryBean.create(ClientProxyFactoryBean.java:102)
at org.apache.cxf.jaxws.JaxWsProxyFactoryBean.create(JaxWsProxyFactoryBean.java:115)
at org.apache.cxf.jaxws.ServiceImpl.createPort(ServiceImpl.java:434)
at org.apache.cxf.jaxws.ServiceImpl.getPort(ServiceImpl.java:312)
at org.apache.cxf.jaxws.ServiceImpl.getPort(ServiceImpl.java:299)
at javax.xml.ws.Service.getPort(Service.java:92)
at com.guo.clint.EtransServerImplService.getEtransServerImplPort(EtransServerImplService.java:59)
at com.guo.clint.cleing.main(cleing.java:8)

------解决方案--------------------
你导入的包可能有问题。
没有实现接口 javax.wsdl.extensions.AttributeExtensible

------解决方案--------------------
哇哈。今天我刚刚做的 web service 生成客户端。 这个确实是少包的原因。
是用xfire 生成的么?