axis2.AxisFault: 服务器无法处理请求。 ---> 未将对象引用设

?package axiom;

import java.util.Date;

import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axiom.soap.SOAP11Constants;
import org.apache.axis2.AxisFault;
import org.apache.axis2.Constants;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.client.ServiceClient;
import org.apache.axis2.transport.http.HTTPConstants;
import org.apache.axis2.transport.http.HttpTransportProperties.ProxyProperties;

public class WeatherAxiomClient {

?private static EndpointReference targetEPR =
??????? new EndpointReference(
????????????????????????????? "http://www.webxml.com.cn/WebServices/WeatherWebService.asmx");
?
?private static OMFactory fac = OMAbstractFactory.getOMFactory();
?static OMNamespace omNs = fac.createOMNamespace("http://WebXml.com.cn/","tns");
?
?public static void main(String args[]) throws AxisFault{
??Date start=new Date();
??????? System.out.println("start:"+start);
??????? ServiceClient sender = new ServiceClient();
???????
??????? /****************************City**************************************/
??????? //sender.setOptions(buildOptions("http://WebXml.com.cn/getSupportCity"));
??????? //OMElement result = sender.sendReceive(buildParam("getSupportCity",new String[]{"byProvinceName"},new String[]{"All"}));
??????? //查询本天气预报Web Services支持的国内外城市或地区信息
??????? /**************************************************************************/
???????
??????? /****************************Province**************************************/
??????? //sender.setOptions(buildOptions("http://WebXml.com.cn/getSupportProvince"));
??????? //OMElement result = sender.sendReceive(null);
??????? //调用得到province方法,获得本天气预报Web Services支持的洲、国内外省份和城市信息
??????? /**************************************************************************/
???????
??????? /****************************DataSet**************************************/
??????? //sender.setOptions(buildOptions("http://WebXml.com.cn/getSupportDataSet"));
??????? //OMElement result = sender.sendReceive(null);
??????? //获得本天气预报Web Services支持的洲、国内外省份和城市信息
??????? /**************************************************************************/
???????
???????
??????? /****************************Weather**************************************/
??????? //sender.setOptions(buildOptions("http://WebXml.com.cn/getWeatherbyCityName"));
??????? //OMElement result = sender.sendReceive(buildParam("getWeatherbyCityName",new String[]{"theCityName"},new String[]{"杭州"}));
??????? //根据城市或地区名称查询获得未来三天内天气情况、现在的天气实况、天气和生活指数
??????? /**************************************************************************/
???????
???????
???????
??????? sender.setOptions(buildOptions("http://WebXml.com.cn/getWeatherbyCityNamePro"));
??????? OMElement result = sender.sendReceive(buildParam("getWeatherbyCityNamePro",new String[]{"theCityName","theUserID"},new String[]{"杭州","01"}));
???????
??????? System.out.println(result);
??????? Date end=new Date();
??????? System.out.println("end:"+end);
??????? System.out.println("between:"+(end.getTime()-start.getTime()));
?}
?/**
? * @see 调用webservice得到天气预报支持的城市
? * @return
? */
?public static? OMElement buildParam(String method,String[] arg,String[] val) {
??????? OMElement data = fac.createOMElement(method,omNs);
??????? for(int i=0;i<arg.length;i++){
??????? OMElement inner = fac.createOMElement(arg[i],omNs);
??????? inner.setText(val[i]);
??????? data.addChild(inner);
??????? }
??????? return data;

?}
?

?/**
? * @see 设置连接属性
? * @return
? */
?public static Options? buildOptions(String action){
??Options options = new Options();
??????? options.setSoapVersionURI(SOAP11Constants.SOAP_ENVELOPE_NAMESPACE_URI);
??????? options.setAction("http://WebXml.com.cn/getSupportCity");
??????? options.setTo(targetEPR);
??????? options.setTransportInProtocol(Constants.TRANSPORT_HTTP);
??????? options.setProperty(HTTPConstants.CHUNKED,"false");//设置不受限制.
??????? options.setProperty(HTTPConstants.PROXY,buildProxy());
??????? options.setProperty(Constants.Configuration.HTTP_METHOD,HTTPConstants.HTTP_METHOD_POST);
??????? //options.setAction(action);
??????? return options;

?}??/**? * @see 设置代理属性? * @return? */?public static ProxyProperties buildProxy(){???? ProxyProperties proxyProperties=new ProxyProperties();??????? proxyProperties.setProxyName("172.19.18.22");??????? proxyProperties.setProxyPort(8080);??????? return proxyProperties;?}??}问题出在我注释的确一行.一定要设置Action.否则服务器无法处理请求,不知道你引用的是哪个方法,所以报出未将对象引用设置到对象的实例