Migration error handling to Struts2
问题 To display errors we need message keys which contains the error messages. I create a new resource bundle named ApplicationError.properties which contain this property: app.error=Error: {0} I try to change this class from struts1 to struts2, but I have a problem with error handling.I have not found the equivalent in struts2 public class MyAction extends Action{ public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse