searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(), query);
            saveInfo(messages -> messages.addSuccessDeleteDocFromIndex(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to process a request.", e);
            throwValidationError(messages -> messages.addErrorsFailedToDeleteDocInAdmin(GLOBAL), this::asListHtml);
        }
        return asListHtml();
    }

    /**

 * system is initialized.
 *
 * <p>This package includes:</p>
 * <ul>
 *   <li>Basic logging interfaces and implementations</li>
 *   <li>Support for different logging levels (DEBUG, INFO, WARN, ERROR)</li>
 *   <li>Accumulating loggers for deferred output</li>
 * </ul>
 *
 * @since 4.0.0
 */

                pos = fileName.indexOf('\\');
                if (pos >= 0) {
                    fileName = fileName.substring(pos + 1);
                }
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsDesignFileNameIsInvalid("designFile"), this::asListHtml);
            }
        }

            try {
                fileAuthenticationService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }

            try {
                requestHeaderService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }

     */
    @PreDestroy
    public void destroy() {
        shutdownHookList.forEach(action -> {
            try {
                action.run();
            } catch (final Exception e) {
                logger.warn("Failed to process shutdown task.", e);
            }
        });
    }

    /**
     * Gets the username of the current user.
     *
     * @return The username, or "guest" if not logged in.
     */

            final String redirectUrl;
            if (urlConvertHelper != null) {
                redirectUrl = urlConvertHelper.convert(redirectUrlObj.toString());
            } else {
                logger.warn("urlConvertHelper is null.");
                redirectUrl = redirectUrlObj.toString();
            }
            resultData.addUrl(RequestDataBuilder.newRequestData().get().url(redirectUrl).build());
        }

                } catch (final Exception e) {
                    logger.warn("Failed to read a click log: {}", list, e);
                }
            }
        } catch (final IOException e) {
            logger.warn("Failed to read a click log.", e);
        }
    }

    /**
     * Exports all crawling information parameters to CSV format.

            try (InputStream inputStream = form.synonymFile.getInputStream()) {
                file.update(inputStream);
            } catch (final IOException e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsFailedToUploadSynonymFile(GLOBAL),
                        () -> redirectWith(getClass(), moreUrl("uploadpage/" + form.dictId)));

                String[] inputs;
                String output;

                final Matcher m = parsePattern.matcher(replacedLine);

                if (!m.find()) {
                    logger.warn("Failed to parse {} in {}", line, path);
                    if (updater != null) {
                        updater.write("# " + line);
                    }
                    continue;
                }