I Am Trying To Calling ASP.NET Webservice (ASMX) from an Android Application But I am Getting NullPointerException After SoapPrimitive response = (SoapPrimitive)envelope.getResponse();

See more:

Java

Mobile

Android

webservice

GetReport.java

package com.example.clientnetpositionreport;

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.os.Handler;
import android.util.Log;
import android.widget.TextView;

public class GetReport extends Activity{
private static final String NAMESPACE ="http://tempuri.org"; //com.service.ServiceImpl
private static final String URL = "http://commodities.karvy.com/services/NetPositionReport.asmx";
private static final String METHOD_NAME = "NetPositionReport";
private static final String SOAP_ACTION = "http://tempuri.org/NetPositionReport";
private String webResponse = "";
private Handler handler = new Handler();
private Thread thread;

private TextView textView1;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(1);
setContentView(R.layout.activity_tv);
textView1 = (TextView) findViewById(R.id.textview1);

//int val=getIntent().getExtras().getInt("Title");
String title= getIntent().getExtras().getString("ClientCode");
//Log.d("Data is", val);

System.out.println("Data is "+title);

startWebAccess(title);

}
public void startWebAccess(String a){
final String aa=a;
thread = new Thread(){
public void run(){
try{
Log.d("Req value0R", "Starting...");//log.d is used for debug
SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
//simple object access protocol
PropertyInfo fromProp =new PropertyInfo();
fromProp.setName("ClientCode");
fromProp.setValue(aa);
fromProp.setType(String.class);
request.addProperty(fromProp);

PropertyInfo fromProp2 =new PropertyInfo();
fromProp2.setName("String");
fromProp2.setValue("Om$@!#@M^#R");
fromProp2.setType(String.class);
request.addProperty(fromProp2);

Log.d("Req value1", request.toString());
System.out.println("ok1");
SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);
envelope.dotNet = false;
envelope.setOutputSoapObject(request);

Log.d("Req value2", envelope.toString());
HttpTransportSE androidHttpTransport = new HttpTransportSE(URL);
androidHttpTransport.debug = true;
Log.d("Req value2B", androidHttpTransport.toString());
androidHttpTransport.call(SOAP_ACTION, envelope);
System.out.println("ok2");
Log.d("Req value2C", androidHttpTransport.toString());
// Object objectResult = (Object)envelope.getResponse();
SoapPrimitive response = (SoapPrimitive)envelope.getResponse();
// System.out.println("Output: "+response.toString());
// Log.d("Req value3", response.toString());
System.out.println("ok3");
//textView1.setText(objectResult.toString());
System.out.println("ok4");
webResponse = response.toString();
Log.d("Req value4", webResponse.toString());
System.out.println("ok5");
}

catch(Exception e){
System.out.println("inside catch");
Log.d("Req value4", e.getMessage());
webResponse = "Connection/Internet problem";
// Toast.makeText(getApplicationContext(), "Loading problem/Server down", Toast.LENGTH_SHORT).show();
}

handler.post(createUI);
}
};

thread.start();
}


final Runnable createUI = new Runnable() {

public void run(){
if(webResponse!=null) {

textView1.setText(webResponse);
}
else {
webResponse ="No data provided presently";
textView1.setText(webResponse);
}
}
};

}



LogCat.

02-25 09:59:39.710: D/gralloc_goldfish(539): Emulator without GPU emulation detected.
02-25 10:00:28.019: I/System.out(539): Data is 64396
02-25 10:00:28.060: D/Req value0R(539): Starting...
02-25 10:00:28.070: D/Req value1(539): NetPositionReport{ClientCode=64396; String=Om$@!#@M^#R; }
02-25 10:00:28.080: I/System.out(539): ok1
02-25 10:00:28.349: D/Req value2(539): org.ksoap2.serialization.SoapSerializationEnvelope@4108c840
02-25 10:00:28.389: D/Req value2B(539): org.ksoap2.transport.HttpTransportSE@4108dda0
02-25 10:00:28.509: D/dalvikvm(539): GC_FOR_ALLOC freed 116K, 4% free 6976K/7239K, paused 48ms
02-25 10:00:33.320: I/System.out(539): ok2
02-25 10:00:33.320: D/Req value2C(539): org.ksoap2.transport.HttpTransportSE@4108dda0
02-25 10:00:33.330: I/System.out(539): ok3
02-25 10:00:33.330: I/System.out(539): ok4
02-25 10:00:33.330: I/System.out(539): inside catch
02-25 10:00:33.330: W/dalvikvm(539): threadid=11: thread exiting with uncaught exception (group=0x409961f8)
02-25 10:00:33.330: E/AndroidRuntime(539): FATAL EXCEPTION: Thread-72
02-25 10:00:33.330: E/AndroidRuntime(539): java.lang.NullPointerException: println needs a message
02-25 10:00:33.330: E/AndroidRuntime(539): at android.util.Log.println_native(Native Method)
02-25 10:00:33.330: E/AndroidRuntime(539): at android.util.Log.d(Log.java:138)
02-25 10:00:33.330: E/AndroidRuntime(539): at com.example.clientnetpositionreport.GetReport$2.run(GetReport.java:87)