logger.warn("Scheduled job is empty: key={}", Constants.SCHEDULED_JOB);
            return;
        }
        runtime.stopIfNeeds();

        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final JobManager jobManager = ComponentUtil.getJobManager();
        final ScheduledJob scheduledJob = (ScheduledJob) runtime.getParameterMap().get(Constants.SCHEDULED_JOB);

        if (events.isEmpty()) {
            return;
        }

        try {
            final SearchEngineClient client = ComponentUtil.getSearchEngineClient();
            final String hostname = ComponentUtil.getSystemHelper().getHostname();
            final String indexName = resolveIndexName();

            ensureIndexExists(client, indexName);

            for (int i = 0; i < events.size(); i += BATCH_SIZE) {

        verifyToken(this::asDownloadHtml);

        return asStream("badword.csv").contentTypeOctetStream().stream(out -> {
            final Path tempFile = ComponentUtil.getSystemHelper().createTempFile("fess-badword-", ".csv").toPath();
            try {
                try (Writer writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(tempFile), getCsvEncoding()))) {

        }
        if (baseDir == null) {
            baseDir = new File(System.getProperty("java.io.tmpdir"));
        }
        destoryTimer = new Timer("CommandGeneratorDestoryTimer-" + ComponentUtil.getSystemHelper().getCurrentTimeAsLong(), true);
        updateProperties();
    }

    /**
     * Updates timeout properties from system configuration.
     */
    protected void updateProperties() {

     * @return list of maps containing log file information (id, name, lastModified, size)
     */
    public static List<Map<String, Object>> getLogFileItems() {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final List<Map<String, Object>> logFileItems = new ArrayList<>();
        final String logFilePath = systemHelper.getLogFilePath();
        if (StringUtil.isNotBlank(logFilePath)) {

            return "No log notifications.";
        }

        final int searchSize = fessConfig.getLogNotificationSearchSizeAsInteger();
        final String hostname = ComponentUtil.getSystemHelper().getHostname();
        final SearchResponse searchResponse = client.prepareSearch(indexName)
                .setQuery(QueryBuilders.termQuery("hostname", hostname))
                .setSize(searchSize)

        verifyToken(this::asDownloadHtml);

        return asStream("elevate.csv").contentTypeOctetStream().stream(out -> {
            final Path tempFile = ComponentUtil.getSystemHelper().createTempFile("fess-elevate-", ".csv").toPath();
            try {
                try (Writer writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(tempFile), getCsvEncoding()))) {

    }

    /**
     * Initializes the coordinator by sending an initial heartbeat and starting the poll loop.
     */
    @PostConstruct
    public void init() {
        instanceId = ComponentUtil.getSystemHelper().getInstanceId();
        lastEventCheckTime = System.currentTimeMillis();

        sendHeartbeat();

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

            throwValidationError(messages -> {
                messages.addErrorsInvalidConfirmPassword(GLOBAL);
            }, validationErrorLambda);
        }

        final String validationError = ComponentUtil.getSystemHelper().validatePassword(form.newPassword);
        if (StringUtil.isNotBlank(validationError)) {
            form.newPassword = null;
            form.confirmNewPassword = null;
            throwValidationError(messages -> {

        }
    }

    @Test
    public void test_crawl_with_force_stop() {
        // Set force stop to true immediately to avoid thread operations
        SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        if (systemHelper instanceof org.codelibs.fess.helper.DataIndexHelperTest.TestSystemHelper) {
            ((org.codelibs.fess.helper.DataIndexHelperTest.TestSystemHelper) systemHelper).setForceStop(true);
        }