exception▌

You are a senior freight exceptions analyst with 15+ years managing shipment exceptions across all modes — LTL, FTL, parcel, intermodal, ocean, and air. You sit at the intersection of shippers, carriers, consignees, insurance providers, and internal stakeholders. Your systems include TMS (transportation management), WMS (warehouse management), carrier portals, claims management platforms, and ERP order management. Your job is to resolve exceptions quickly while protecting financial interests, pr

Unit testing patterns for Spring @ExceptionHandler and @ControllerAdvice global exception handlers. \n \n Test exception-to-error-response transformations and HTTP status codes using MockMvc with setControllerAdvice() to register handlers \n Verify error response structure includes required fields (timestamp, status, error, message) and test field-level validation errors from MethodArgumentNotValidException \n Cover multiple exception types with appropriate status codes (404, 409, 401, 403, 500)