java调用webservice接口

  
            org.apache.axis
            axis
            1.4
        
        
        
            javax.xml.rpc
            javax.xml.rpc-api
            1.1.2
        
        
        
            commons-discovery
            commons-discovery
            0.2
        

import javax.xml.namespace.QName;
import javax.xml.rpc.ServiceException;
import org.apache.axis.client.Call;
import org.apache.axis.client.Service;

   @Test
    public void a13a() throws MalformedURLException, ServiceException, RemoteException {
        Call call=(Call)(new Service()).createCall();
        call.setTargetEndpointAddress(new URL("http://218.26.234.115:12666/services/interface?"));
        call.setOperationName(new QName("namespace","getSydwJson"));
        call.setTimeout(30000);
        String re=(String)call.invoke(new String[]{"drorg032"});
        System.out.println(re);

    }

java.lang.NoClassDefFoundError: org/apache/commons/discovery/tools/DiscoverSingleton
webService 报aultString: org.xml.sax.SAXException: Bad envelope tag: definitions