Continued to modify the web application to successfully connect the web application into JDA, tested the modified application, as per checking, an error is encountered in the token, checked if there are changes missed to apply in the web application for the token for why this error is encountered, as per checking, all is OK, checked the web application for the cause of the error encountered, as per testing, the cause of this is the user interface, there is a problem when the web application is calling the UI for location, modified the web application for fixing the error encountered when clicking the location, tested the web application again, as per checking, it is now OK, and successfully connecting into JDA.