求大牛指教：android调用webservice时出现问题

Question

package com.google.Highspeed;import org.ksoap2.SoapEnvelope;
import org.ksoap2.serialization.PropertyInfo;
import org.ksoap2.serialization.SoapObject;
import org.ksoap2.serialization.SoapPrimitive;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.ksoap2.transport.HttpTransportSE;import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.TextView;
import android.widget.Toast;public class Fuwuqu extends Activity {
/** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       setContentView(R.layout.fuwuqu);
       RGDemo();    }
    RadioGroup rg;
    RadioButton b1;
    RadioButton b2;
    private EditText p;
    private TextView t;
    public void RGDemo(){
     rg=(RadioGroup)findViewById(R.id.radioGroup1);
     b1=(RadioButton)findViewById(R.id.radio0);
     b2=(RadioButton)findViewById(R.id.radio1);
     p=(EditText)findViewById(R.id.editText1);
     t=(TextView)findViewById(R.id.textView2);
     Button clr=(Button)findViewById(R.id.button1);
        clr.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(b1.isChecked()){
Get(p.getText().toString(),"青岛方向");
}
if(b2.isChecked()){
Get(p.getText().toString(),"济南方向");
}

}
});
        rg.setOnCheckedChangeListener(new OnCheckedChangeListener(){
         
     @Override
     public void onCheckedChanged(RadioGroup group, int checkedId) {
     // TODO Auto-generated method stub
     if(checkedId==b1.getId()){
     Toast.makeText(Fuwuqu.this,"b1选中", Toast.LENGTH_LONG).show();
     }
     if(checkedId==b2.getId()){
     Toast.makeText(Fuwuqu.this,"b2选中", Toast.LENGTH_LONG).show();
     }
        }        });
    }
    private static final String WDSL_LINK = "http://localhost:8090/axis2/services/fuwuservice?wsdl";  
    private static final String NAME_SPACE = "http://service.hightway.com";//"http://land.com/";
    private static final String METHOD_NAME = "check";  
 
 private void Get(String fuwu,String fang) {
 try {
 SoapObject request = new SoapObject(NAME_SPACE, METHOD_NAME);  
// TODO Auto-generated method stub
     request.addProperty("arg0",fuwu);
  request.addProperty("arg1",fang);   SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);  
              envelope.bodyOut = request;  
              envelope.dotNet = true;  
              envelope.setOutputSoapObject(request);  
              HttpTransportSE ht = new HttpTransportSE(WDSL_LINK);  
                
              ht.call("", envelope);  
                
 
 
  
              String ret = String.valueOf(envelope.getResponse()); 
   t.setText(ret);
   
 
  } catch (Exception ex) {
  Log.d("my_webservcie_Error: "+ex.getMessage(), null);  t.setText("连接失败");
   
  }

}
  }上面的代码有什么问题没有？我在android虚拟机上运行该程序点击按钮时提示程序强制关闭AndroidWeb服务