Struts 2 Interceptor redirection not working with Ajax

Question

I have configured Struts 2 Interceptor for validating the user session. On invalid session I am redirecting to an error page.

The Interceptor is working fine for the normal calls to the action classes but the error page redirection is not working when I am calling an action class through ajax call.

What I am currently doing for this is sestting a request attribute in the interceptor and on the JSP based on that attribute value redirecting from the JSP.

But instead of what I am doing is there any way by which I dont need to write any thing in JSP for error page redirection to work in the similar way when calling the action class in a normal way and in the form of Ajax

Thanks, Vinay

Answer 1

1. In the interceptor, set the response status to UnAuthorized just before we return the errorpage.

          httpResponse.setStatus(HttpStatus.SC_UNAUTHORIZED);
          return "errorPage";
   

2. In the ajax call where we make a request that ends up in session timeout and redirect, put a error handling block and redirect to the page directly here.

     $.ajax({
       url : "some.action",
           data : {
               "query" : inputText
       },
       type : 'GET',
       dataType : 'json',
   success : function(data) {
       //code
   },
   error : function(data) {
       if (data.status == 401 ){
           console.log("UnAuthorized. Redirecting to Error");
           window.location.replace(contextPath +"/error.jsp");
       }
   }
   

3. Have a struts entry for the errorpage to avoid any config issues.

       <result name="errorPage">errorPage.jsp</result>