哪位最近成功调用过Webservice的接口，我一直调用不了

AndroidManifest.xml有写网络权限，用模拟器就可以运行，在手机上就报下面的错！这是源代码：
private static final String NAMESPACE = "http://WebXml.com.cn/";
        private static String URL = "http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx";
        private static final String METHOD_NAME = "getWeather";
        private static String SOAP_ACTION = "http://WebXml.com.cn/getWeather";
        private SoapObject detail;
        public SoapObject getWeather(String cityName) {
                try {
                        SoapObject rpc = new SoapObject(NAMESPACE, METHOD_NAME);
                        rpc.addProperty("theCityCode", cityName);
                        SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);
                        envelope.bodyOut = rpc; 
                        envelope.dotNet = true;
                        envelope.setOutputSoapObject(rpc);
                        HttpTransportSE ht = new HttpTransportSE(URL);
                        ht.debug = true;
                        ht.call(SOAP_ACTION, envelope);
                        detail =(SoapObject) envelope.getResponse();
                        return detail;
                } catch (Exception e) {
                        e.printStackTrace();
                }
                return null;
        }这里是LOG的信息：
10-09 16:18:43.447: WARN/System.err(5930): java.net.SocketTimeoutException: Connection timed out
10-09 16:18:43.447: WARN/System.err(5930):     at org.apache.harmony.luni.platform.OSNetworkSystem.connect(Native Method)
10-09 16:18:43.447: WARN/System.err(5930):     at dalvik.system.BlockGuard$WrappedNetworkSystem.connect(BlockGuard.java:357)
10-09 16:18:43.447: WARN/System.err(5930):     at org.apache.harmony.luni.net.PlainSocketImpl.connect(PlainSocketImpl.java:207)
10-09 16:18:43.447: WARN/System.err(5930):     at org.apache.harmony.luni.net.PlainSocketImpl.connect(PlainSocketImpl.java:440)
10-09 16:18:43.447: WARN/System.err(5930):     at java.net.Socket.connect(Socket.java:1013)
10-09 16:18:43.447: WARN/System.err(5930):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.<init>(HttpConnection.java:75)
10-09 16:18:43.447: WARN/System.err(5930):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.<init>(HttpConnection.java:48)
10-09 16:18:43.447: WARN/System.err(5930):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection$Address.connect(HttpConnection.java:322)
10-09 16:18:43.447: WARN/System.err(5930):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnectionPool.get(HttpConnectionPool.java:89)
10-09 16:18:43.447: WARN/System.err(5930):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getHttpConnection(HttpURLConnectionImpl.java:285)
10-09 16:18:43.447: WARN/System.err(5930):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.makeConnection(HttpURLConnectionImpl.java:267)
10-09 16:18:43.447: WARN/System.err(5930):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:205)
10-09 16:18:43.447: WARN/System.err(5930):     at org.ksoap2.transport.ServiceConnectionSE.connect(ServiceConnectionSE.java:76)
10-09 16:18:43.447: WARN/System.err(5930):     at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:146)
10-09 16:18:43.447: WARN/System.err(5930):     at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:95)
10-09 16:18:43.447: WARN/System.err(5930):     at com.android.easysearch.utils.httpGetWeatherdate.getWeather(httpGetWeatherdate.java:26)
10-09 16:18:43.457: WARN/System.err(5930):     at com.android.easysearch.SearchWeatherActivity.showWeatherInfo(SearchWeatherActivity.java:67)
10-09 16:18:43.457: WARN/System.err(5930):     at com.android.easysearch.SearchWeatherActivity.access$1(SearchWeatherActivity.java:65)
10-09 16:18:43.457: WARN/System.err(5930):     at com.android.easysearch.SearchWeatherActivity$1.handleMessage(SearchWeatherActivity.java:49)
10-09 16:18:43.467: WARN/System.err(5930):     at android.os.Handler.dispatchMessage(Handler.java:99)
10-09 16:18:43.467: WARN/System.err(5930):     at android.os.Looper.loop(Looper.java:143)
10-09 16:18:43.467: WARN/System.err(5930):     at android.app.ActivityThread.main(ActivityThread.java:4196)
10-09 16:18:43.467: WARN/System.err(5930):     at java.lang.reflect.Method.invokeNative(Native Method)
10-09 16:18:43.467: WARN/System.err(5930):     at java.lang.reflect.Method.invoke(Method.java:507)
10-09 16:18:43.467: WARN/System.err(5930):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
10-09 16:18:43.467: WARN/System.err(5930):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
10-09 16:18:43.467: WARN/System.err(5930):     at dalvik.system.NativeStart.main(Native Method)