@ExceptionHandler(MissingServletRequestParameterException.class)
    protected ShenyuAdminResult handleMissingServletRequestParameterException(final MissingServletRequestParameterException e) {
        LOG.warn("missing servlet request parameter", e);
        return ShenyuAdminResult.error(String.format("%s parameter is missing", e.getParameterName()));
    }
ControllerMethodResolver.

@see <a href="https://dzone.com/articles/global-exception-handling-with-controlleradvice">global-exception-handling-with-controlleradvice</a>
shenyu-admin/src/main/java/org/apache/shenyu/admin/exception/ExceptionHandlers.java