java - How to submit SMSPP messages and receive delivery receipt at the same time without dropping any SMS -


i have jframe in java , have code in click action of button .when click it checks sql database , send messages gets , wait delivery reciept .message submitted fine report status not received .i can receive 1 , drop 1 .i receive report status first message , third , on . dont know if thread problem here code in button action:

    private void connect_btnactionperformed(java.awt.event.actionevent evt) {                                                      if(jcheckbox1.isselected())          {         remoteip=ip.gettext();         }         else{           remoteip="127.0.0.1" ;         }          connect_btn.setenabled(false);              interval=(string) time.getselecteditem();           timeinterval =integer.valueof(interval);          threadonce=true;           bind();              url="jdbc:sqlserver://"+remoteip+ "       :1433;databasename=test;user=sa;password=11235813";          sql ="select * alarm_table flag=0";         new thread(new runnable() {                         @override                         public void run() {                             while(true)         {              con=null;          pst=null;          rs=null;           try{         class.forname("com.microsoft.sqlserver.jdbc.sqlserverdriver");        con = drivermanager.getconnection(url);        pst= con.preparestatement(sql);    rs =pst.executequery();  while (rs.next()) {   smppconnect(rs.getstring(2),rs.getstring(3),rs.getstring(4)); //thread.sleep(2000);   if(sentcheck==1)         {             updatetable(rs.getint(1));          }   } session.setmessagereceiverlistener(new messagereceiverlistener() {              public void onacceptdeliversm(deliversm deliversm) throws processrequestexception {                 if (messagetype.smsc_del_receipt.containedin(deliversm.getesmclass())) {                      // delivery receipt                     try {                         deliveryreceipt delreceipt = deliversm.getshortmessageasdeliveryreceipt();                          id = long.parselong(delreceipt.getid()) & 0xffffffff;                          messageid = long.tostring(id, 16).touppercase();                         system.out.println("received '"  +messageid+"' : " + delreceipt);                          val=delreceipt.getfinalstatus().value();                         system.out.println(val+"  "+messageid);                         updatetablestate(integer.tostring(val),messageid);                     } catch (invaliddeliveryreceiptexception e) {                         system.err.println("receive faild");                         e.printstacktrace();                     }                 }else {                 // regular short message                 system.out.println("receiving message : " + new string(deliversm.getshortmessage()));             }                     // regular short message               }              public void onacceptalertnotification(alertnotification alertnotification) {                 system.out.println("onacceptalertnotification");             }              public datasmresult onacceptdatasm(datasm datasm, session source) throws processrequestexception {                system.out.println("onacceptdatasm");                 return null;             }         });             system.out.println("finish!");       } catch(exception e) { joptionpane.showmessagedialog(null,e);}         finally{ try {if(pst!=null)             pst.close();                   } catch (sqlexception ex) {                      logger.getlogger(login.class.getname()).log(level.severe, null, ex);                  }                  try {                      if(con!=null)                      con.close();                  } catch (sqlexception ex) {                      logger.getlogger(login.class.getname()).log(level.severe, null, ex);                  }           }      try {             thread.sleep(1000 * timeinterval);            // time interval between check ,            } catch (interruptedexception ex) {             logger.getlogger(login.class.getname()).log(level.severe, null, ex);         }          }                              }                     }).start();          }


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