lixiaguang opened a new issue #1585: How to use standard cxf client to invoke 
Dubbo Webservice?
URL: https://github.com/apache/incubator-dubbo/issues/1585
 
 
   I got a  Dubbo Webservice WSDL Address. I want to use cxf client 
toinvoke.But when i run my code,I got some error "NullPointerException".
   here is my client code:
   -----------------------------------------
   import javax.xml.namespace.QName;
   import javax.xml.ws.WebServiceClient;
   
   import org.apache.cxf.endpoint.Client;
   import org.apache.cxf.jaxws.endpoint.dynamic.JaxWsDynamicClientFactory;
   import org.apache.log4j.Logger;
   
   import cn.com.shenhuagroup.xxgs.bigdata.test.builddata.BuildTestData;
   
   public class Test1 {
        Logger log = Logger.getLogger(Test1.class);
   
        public Object[] callWebService(String wsdl, String targetNamespace, 
String methodName, Object args[]) {
                Object[] res = null;
                try {
                        log.info("动态调用webservice开始,wsdl:" + wsdl + 
",methodName:" + methodName + ",args:" + args);
                        JaxWsDynamicClientFactory dcf = 
JaxWsDynamicClientFactory.newInstance();
                        Client client = dcf.createClient(wsdl);
                        if (targetNamespace == null) {
                                res = client.invoke(methodName, args);
                        } else {
                                res = client.invoke(new QName(targetNamespace, 
methodName), args);
                        }
   
                } catch (Exception e) {
                        log.error("动态调用webservice 失败,wsdl:" + wsdl + 
",targetNamespace:" + targetNamespace + ",methodName:"
                                        + methodName + ",args:" + args, e);
                }
                return res;
        }
   
        public static void main(String[] args) {
                String wsdl = "http://xxxxxxxxxx:8080/TestService?wsdl";; // WSDL
                String targetNamespace = "http://xxxxxxxxxx.com/";; // WSDL
                String methodName = "getUserInfo";
                Object params[] = {"id","1" };
                Test1 client = new Test1();
                Object[] res = client.callWebService(wsdl, targetNamespace, 
methodName, params);
                System.out.println(res.toString());
        }
   }
   
   Here is error:
   ---------------------------------------
   java.lang.NullPointerException
        at 
org.apache.cxf.transport.http.URLConnectionHTTPConduit.createConnection(URLConnectionHTTPConduit.java:109)
        at 
org.apache.cxf.transport.http.URLConnectionHTTPConduit.setupConnection(URLConnectionHTTPConduit.java:122)
        at 
org.apache.cxf.transport.http.HTTPConduit.prepare(HTTPConduit.java:499)
        at 
org.apache.cxf.interceptor.MessageSenderInterceptor.handleMessage(MessageSenderInterceptor.java:46)
        at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308)
        at org.apache.cxf.endpoint.ClientImpl.doInvoke(ClientImpl.java:514)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:423)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:324)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:277)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:297)
   

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