added logs in masterdataserviceimpl

src/main/java/com/billpaymentservice/bbps/exception/GlobalExceptionHandler.java

@@ -39,4 +39,23 @@ public class GlobalExceptionHandler {
 
         return new ResponseEntity<>(response, HttpStatus.BAD_REQUEST);
     }
-}
+
+    // ✅ NEW: Handle ALL other exceptions (Generic Handler)
+    @ExceptionHandler(Exception.class)
+    public ResponseEntity<ResponseModel<?>> handleAllExceptions(Exception ex) {
+        
+        // ✅ Internal logging (tumhare system ko pata chale)
+        System.err.println("INTERNAL SERVER ERROR: " + ex.getMessage());
+        ex.printStackTrace(); // Stack trace for debugging
+        
+        // ✅ Client ko generic message
+        ResponseModel<?> response = new ResponseModel<>(
+            "Service temporarily unavailable. Please try again later.",
+            "FAILED",
+            HttpStatus.INTERNAL_SERVER_ERROR.value(),
+            null
+        );
+
+        return new ResponseEntity<>(response, HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+}