* @param request The HTTP servlet request.
     * @param response The HTTP servlet response.
     * @param chain The filter chain.
     * @throws IOException If an input/output error occurs.
     * @throws ServletException If a servlet error occurs.
     */
    void process(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException;

     */
    public enum Status {
        /** Successful response status. */
        OK(0),
        /** Bad request status indicating client error. */
        BAD_REQUEST(1),
        /** System error status indicating server error. */
        SYSTEM_ERROR(2),
        /** Unauthorized status indicating authentication failure. */
        UNAUTHORIZED(3),
        /** General failure status. */

@Retention(RUNTIME)
@Documented
@Constraint(validatedBy = CronExpressionValidator.class)
public @interface CronExpression {

    /**
     * The error message when validation fails.
     * @return the error message
     */
    String message() default "{org.lastaflute.validator.constraints.CronExpression.message}";

    /**
     * The validation groups this constraint belongs to.

            userService.store(entity);
            saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to create user: username={}, error={}", body.name, e.getMessage(), e);
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
        }

    # /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    # o isSuppressBatchUpdate: (NotRequired - Default false)
    #  Does it suppress batch update at loading data?
    #  When you have a data error, you may get details for the error
    #  by this property changing. Because it is possible that
    #  the BatchUpdateException information is very short for debug.
    #
    #; isSuppressBatchUpdate = false
    # - - - - - - - - - -/

labels.content=Content
labels.csvFileEncoding=CSV Encoding
labels.defaultLabelValue=Default Label
labels.designFileName=File Name
labels.incrementalCrawling=Check Last Modified
labels.errorCount=Error Count
labels.errorLog=Error Log
labels.errorName=Error Name
labels.expiredTime=Expired Time
labels.expires=Expires
labels.failureCountThreshold=Failure Count
labels.fileConfigName=File Crawl Config Name
labels.fileName=File Name

        // Test error paths
        assertEquals("/error/badRequest.jsp", FessHtmlPath.path_Error_BadRequestJsp.getRoutingPath());
        assertEquals("/error/error.jsp", FessHtmlPath.path_Error_ErrorJsp.getRoutingPath());
        assertEquals("/error/notFound.jsp", FessHtmlPath.path_Error_NotFoundJsp.getRoutingPath());
        assertEquals("/error/redirect.jsp", FessHtmlPath.path_Error_RedirectJsp.getRoutingPath());

     *
     * @param request The servlet request
     * @param response The servlet response
     * @param chain The filter chain
     * @throws IOException If an I/O error occurs
     * @throws ServletException If a servlet error occurs
     */
    @Override
    public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
            throws IOException, ServletException {

    /**
     * Executes the document purging job.
     * Removes all documents from the search index that have expired based on their expires field.
     *
     * @return a string containing the execution result and any error messages
     */
    public String execute() {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        Throwable cause = new RuntimeException("Runtime error");
        CommandExecutionException exception = new CommandExecutionException(null, cause);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals("Runtime error", exception.getCause().getMessage());
    }

    @Test