java - connect failed: ECONNREFUSED issue on few Anfroid Devices -


i have developed android application consumes webservice. have tested application on different devices , working on tablet of client, it's throwing exception. devices on application tested running android 6.0.1 marshmallow.following exception

java.net.connectexception: failed connect web.abc.com(port 80):connect failed: econnrefused (connection refused)

following code consuming webservice

string namespace = "http://web.abc.com/"; private static final string url = "http://web.abc.com/webservice/servicefilename.asmx";  string soap_action; soapobject request = null, objmessages = null; soapserializationenvelope envelope; httptransportse androidhttptransport;  /**  * set envelope  */ protected void setenvelope() {      try {          // creating soap envelope         envelope = new soapserializationenvelope(soapenvelope.ver11);          //you can comment line if web service not .net one.         envelope.dotnet = true;          envelope.setoutputsoapobject(request);         //envelope.addmapping(namespace, "productstausresponse",new productstausresponse().getclass());         androidhttptransport = new httptransportse(url);         androidhttptransport.debug = true;      } catch (exception e) {         e.printstacktrace();         log.v("soap exception", e.tostring());         system.out.println("soap exception---->>>" + e.tostring());     } }  // methodname variable define webservice function  call public string getproductstatus(string methodname, string parameter) {      try {         productcode = productcode.trim();         soap_action = namespace + methodname;          //adding values request object         request = new soapobject(namespace, methodname);         /// code setting properties          setenvelope();          try {              //soap calling webservice             androidhttptransport.call(soap_action, envelope);              //got webservice response             string result = envelope.getresponse().tostring();             return result;          } catch (exception e) {             // todo: handle exception             //e.printstacktrace();             //return "exception";             return e.tostring();         }     } catch (exception e) {         // todo: handle exception         e.printstacktrace();         log.v("soap exception", e.tostring());         //return "exception";         return e.tostring();     }  }


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