Question

I am consuming a dotnet webservice on android code using ksoap2.I can successfully call the webservice without any parameters but when I tried to call method using a string parameters i am getting this error mentioned below.

soap:Server' faultstring: 'System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.NullReferenceException: Object reference not set to an instance of an object.

I am adding the parameters in this way.

request.addProperty("arg0", "username"); 
request.addProperty("arg1", "pass");

Errors thrown in this line

 SoapPrimitive result = (SoapPrimitive)envelope.getResponse();

Answer 1

I solved myself.

Instead of

SoapPrimitive result = (SoapPrimitive) envelope.getResponse();

i used

SoapObject result = (SoapObject) envelope.getResponse();