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POWebservice Calling Error in android
 

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  1. POWebservice Calling Error in android
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    <p>I am trying to call a .net based WCF service using ksoap2 in Android. I got the following error while making the httptransport call.</p> <p>Here is my code: </p> <pre><code>public class MainActivity extends Activity { EditText t1,t2; Button b1; TextView result; private static final String NAMESPACE="http://tempuri.org/"; private static final String METHOD_NAME="AddEmployee"; private static final String URL="http://10.32.4.24/Android/AndroidBus.svc"; private static final String SOAP_ACTION="http://tempuri.org/IAndroidBus/AddEmployee"; SoapObject request=new SoapObject(NAMESPACE,METHOD_NAME); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); t1=(EditText)findViewById(R.id.editText1); t2=(EditText)findViewById(R.id.editText2); result=(TextView)findViewById(R.id.textView1); b1=(Button)findViewById(R.id.button1); b1.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { PropertyInfo pi=new PropertyInfo(); pi.setValue("abc"); pi.setName("value1"); //pi.type=PropertyInfo.STRING_CLASS; SoapObject Request=new SoapObject(NAMESPACE,METHOD_NAME); Request.addProperty(pi); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER12); envelope.dotNet=true; envelope.setOutputSoapObject(Request); new servicecall(envelope).execute(); } }); } public class servicecall extends AsyncTask&lt;String,Void,String&gt; { String res; SoapSerializationEnvelope envelope; public servicecall(SoapSerializationEnvelope envelope) { this.envelope=envelope; } @Override protected String doInBackground(String... arg0) { HttpTransportSE ht=new HttpTransportSE(URL); ht.debug=true; try { Log.d("WEBSERVICE","Calling"); ht.call(SOAP_ACTION,envelope); SoapPrimitive response = (SoapPrimitive)envelope.getResponse(); String dump=ht.responseDump.toString(); System.out.println("dumppp"+dump); Log.d("Tag","Response"+response); res=response.toString(); } catch(Exception e) { e.printStackTrace(); } return res; } protected void onPostExecute(String res) { super.onPostExecute(res); result.setText("completed"); } } </code></pre> <p>This is the error I am getting:</p> <pre><code>11-08 15:00:24.421: W/System.err(767): java.lang.NullPointerException 11-08 15:00:24.451: W/System.err(767): at org.ksoap2.transport.ServiceConnectionSE.getResponseProperties(ServiceConnectionSE.java:85) 11-08 15:00:24.473: W/System.err(767): at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:187) 11-08 15:00:24.483: W/System.err(767): at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:114) 11-08 15:00:24.504: W/System.err(767): at com.example.androidservice.MainActivity$servicecall.doInBackground(MainActivity.java:81) 11-08 15:00:24.522: W/System.err(767): at com.example.androidservice.MainActivity$servicecall.doInBackground(MainActivity.java:1) 11-08 15:00:24.533: W/System.err(767): at android.os.AsyncTask$2.call(AsyncTask.java:287) 11-08 15:00:24.541: W/System.err(767): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305) 11-08 15:00:24.661: W/System.err(767): at java.util.concurrent.FutureTask.run(FutureTask.java:137) 11-08 15:00:24.671: W/System.err(767): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230) 11-08 15:00:24.685: W/System.err(767): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076) 11-08 15:00:24.711: W/System.err(767): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569) 11-08 15:00:24.722: W/System.err(767): at java.lang.Thread.run(Thread.java:856) </code></pre>
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