无法使用android访问Web服务。我正在使用eclipse和ksoap2库。我试过网上流传的所有密码。我犯的错误在哪里。我重新安装了所有的东西，但没用。
截图
错误日志
08-25 11:32:51.872:e/trace（972）：打开跟踪文件时出错：没有此类文件或目录（2）
08-25 11:32:56.143:e/dalvikvm（972）：找不到从com.knnklz.webservice04.mainactivity$2.run方法引用的类“org.ksoap2.serialization.soapobject”
08-25 11:32:56.193:e/androidruntime（972）：致命异常：thread-93
08-25 11:32:56.193:e/androidruntime（972）：java.lang.noclassdeffounderror:org.ksoap2.serialization.soapobject
08-25 11:32:56.193:e/androidruntime（972）：网址：com.knnklz.webservice04.mainactivity$2.run（mainactivity）。java:277)
android java代码

tx = (TextView)findViewById(R.id.textView1);            

            try {
                SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
                request.addProperty("Celsius", "85");
                SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);

                envelope.dotNet = true;
                envelope.setOutputSoapObject(request);
                HttpTransportSE androidHttpTransport = new HttpTransportSE(URL);

                androidHttpTransport.debug = true;
                androidHttpTransport.call(SOAP_ACTION, envelope);
                SoapPrimitive response = (SoapPrimitive) envelope.getResponse();

                tx.setText(response.toString());

            } catch (Exception e1) {
                e1.printStackTrace();
            }