xfire调用webservice[#document: null]问题

xfire 调用.net webservice的时候返回[#document: null]这个事怎么回事呀？

Client client = new Client(
new URL(
"http://www.webxml.com.cn/WebServices/IpAddressSearchWebService.asmx?wsdl"));
HttpClientParams params = new HttpClientParams();
params.setParameter(HttpClientParams.USE_EXPECT_CONTINUE,
Boolean.FALSE);
params.setParameter(HttpClientParams.CONNECTION_MANAGER_TIMEOUT,
(long) 9000);
client.setProperty(CommonsHttpMessageSender.HTTP_CLIENT_PARAMS,
params);
Object[] obj = (Object[]) client.invoke("getCountryCityByIp",new Object[] {
"125.64.15.45" });

?

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返回的是org.apache.xerces.dom.DocumentImpl,你也可以强制转换为w3c的document。

java操作xml:

try { ??????????? Client client = new Client(new URL("http://www.webxml.com.cn/webservices/ChinaTVprogramWebService.asmx?wsdl")); ??????????? Object[] results = client.invoke("getTVchannelString",new Integer[]{2}); ??????????? System.out.println(results[0]); ??????????? Document d = (Document)results[0]; ??????????? System.out.println(d.getFirstChild()); ??????????? NodeList nl =d.getElementsByTagName("getTVchannelStringResult"); ??????????? NodeList n2 = nl.item(0).getChildNodes(); ??????????? System.out.println(n2.getLength()); ??????????? for (int i=0;i<n2.getLength();i++){ ??????????? ??? System.out.println(n2.item(i).getNodeName()+"::"+n2.item(i).getTextContent()); ??????????? ??? ??????????? } ?????????? ???? } catch (MalformedURLException e) { ??????????? e.printStackTrace(); ???? } catch (Exception e) { ??????????? // TODO Auto-generated catch block ??????????? e.printStackTrace(); ???? }