android - java.io.FileNotFoundException: https://bustracker.rhcloud.com/webapi/test -

i sending json string server. postdata class being called service class service class being launched oncreate() method in mainactivity. have tested code of postdata class before , works well. getting following warning , not getting response server more. mean?

i appreciate help

warning:

05-30 19:15:22.791: w/system.err(8371): java.io.filenotfoundexception: https://bustracker.rhcloud.com/webapi/test 05-30 19:15:22.791: w/system.err(8371):     @ com.android.okhttp.internal.http.httpurlconnectionimpl.getinputstream(httpurlconnectionimpl.java:197) 05-30 19:15:22.791: w/system.err(8371):     @ com.android.okhttp.internal.http.delegatinghttpsurlconnection.getinputstream(delegatinghttpsurlconnection.java:210) 05-30 19:15:22.801: w/system.err(8371):     @ com.android.okhttp.internal.http.httpsurlconnectionimpl.getinputstream(httpsurlconnectionimpl.java:25) 05-30 19:15:22.801: w/system.err(8371):     @ com.bustracker.postdata$myasynctask.doinbackground(postdata.java:83) 05-30 19:15:22.801: w/system.err(8371):     @ com.bustracker.postdata$myasynctask.doinbackground(postdata.java:1) 05-30 19:15:22.801: w/system.err(8371):     @ android.os.asynctask$2.call(asynctask.java:288) 05-30 19:15:22.801: w/system.err(8371):     @ java.util.concurrent.futuretask.run(futuretask.java:237) 05-30 19:15:22.801: w/system.err(8371):     @ android.os.asynctask$serialexecutor$1.run(asynctask.java:231) 05-30 19:15:22.801: w/system.err(8371):     @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1112) 05-30 19:15:22.801: w/system.err(8371):     @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:587) 05-30 19:15:22.811: w/system.err(8371):     @ java.lang.thread.run(thread.java:818) 

postdata class:

public class postdata {     string jsonstring;     private asynctaskcallback callback;       public postdata(asynctaskcallback callback) {         this.callback = callback;     }      public string getjsonstring() {         return jsonstring;      }      public void setjsonstring(string jsonstring) {         this.jsonstring = jsonstring;     }      public void post_data(string jsonstring, context context) {         this.jsonstring = jsonstring;          new myasynctask(context).execute(jsonstring);      }      class myasynctask extends asynctask<string, integer, arraylist<integer>> {         final context mcontext;         arraylist<integer> routes = new arraylist<integer>();         double distance;          public myasynctask(context context) {             mcontext = context;         }          @override         protected arraylist<integer> doinbackground(string... params) {             bufferedreader reader = null;              try {                 system.out.println("the output of : doinbackground "                         + params[0]);                  url myurl = new url(                         "https://bustracker.rhcloud.com/webapi/test");                 httpurlconnection conn = (httpurlconnection) myurl                         .openconnection();                 conn.setrequestmethod("post");                 conn.setdooutput(true);                 conn.setconnecttimeout(10000);                 conn.setreadtimeout(10000);                 conn.setrequestproperty("content-type", "application/json");                 conn.connect();                   stringbuilder sb = new stringbuilder();                 reader = new bufferedreader(new inputstreamreader(                         conn.getinputstream()));                 string line;                  while ((line = reader.readline()) != null) {                     sb.append(line + "\n");                  }                  gson gson = new gson();                 jsonstore data = gson.fromjson(sb.tostring(), jsonstore.class);                  routes = data.getroutes();                 distance = data.getdistance();                 system.out.println("the output of stringbulder: "                         + sb.tostring());              } catch (ioexception e) {                  e.printstacktrace();                 return null;             } {                 if (reader != null) {                     try {                         reader.close();                         return null;                     } catch (exception e) {                         // todo auto-generated catch block                         e.printstacktrace();                     }                 }             }              return null;          }          protected void onpostexecute(arraylist<integer> result) {               if (routes != null && !routes.isempty()) {             callback.onasynctaskfinished(routes, distance);              }else{                  log.e("123", "avoiding null pointer in postdata class, routes null!!!");              }         }      }  }