Acknowledgement Redirection issue resolved for pending bookings

src/main/java/com/gcc/communityHall/paymentService/controller/PaymentController.java

@@ -192,6 +192,9 @@ public class PaymentController {
 
         model.addAttribute("ref_id", refId);
         model.addAttribute("encryptedId", encryptedId);
+        if ("".equals(refId)) {
+            refId = bookser.getBookingRefIdByBookingId(bookingId);
+        }
         return "redirect:/communityhall/user/acknowledgement?ref_id=" + refId;
     }