}

    /**
     * Constructs a WebApiException with the specified status code and message.
     *
     * @param statusCode The HTTP status code
     * @param message The detail message
     */
    public WebApiException(final int statusCode, final String message) {
        super(message);
        this.statusCode = statusCode;
    }

    /**
     * Constructs a WebApiException with the specified status code and exception.

        // Test creating multiple exceptions with different status codes
        WebApiException exception1 = new WebApiException(400, "Bad Request");
        WebApiException exception2 = new WebApiException(401, "Unauthorized");
        WebApiException exception3 = new WebApiException(500, "Internal Error");

        assertEquals(400, exception1.getStatusCode());

                        if (StringUtil.isBlank(userCode)) {
                            throw new WebApiException(HttpServletResponse.SC_BAD_REQUEST, "No user session.");
                        }
                        if (StringUtil.isBlank(favoriteUrl)) {
                            throw new WebApiException(HttpServletResponse.SC_BAD_REQUEST, "URL is null.");
                        }

        LaRequestUtil.getOptionalRequest().ifPresent(req -> req.setAttribute(WEB_API_EXCEPTION, new WebApiException(statusCode, e)));
    }

    /**
     * Validates the current request by checking for stored web API exceptions.
     * Throws any stored WebApiException if found.
     *
     * @throws WebApiException If a web API exception was previously stored
     */
    public static void validate() {

                }
                processRequest(request, response, path);
            }).orElse(() -> {
                throw new WebApiException(HttpServletResponse.SC_FORBIDDEN, "Invalid session.");
            });
        } catch (final WebApiException e) {
            String message;
            if (Constants.TRUE.equalsIgnoreCase(ComponentUtil.getFessConfig().getApiJsonResponseExceptionIncluded())) {

        // Note: WebApiException constructor calls e.getMessage() on null exception, causing NullPointerException
        try {
            WebApiUtil.setError(500, (Exception) null);
            fail("setError should throw NullPointerException when passed null exception");
        } catch (NullPointerException e) {
            // Expected - WebApiException constructor cannot handle null exception