/**
     * Initialize the helper.
     */
    @PostConstruct
    public void init() {
        logger = LogManager.getLogger(loggerName);
        final String logFormat = ComponentUtil.getFessConfig().getAppAuditLogFormat();
        if (StringUtil.isBlank(logFormat)) {
            useEcsFormat = "docker".equals(getEnvMap().get("FESS_APP_TYPE"));
        } else if ("ecs".equals(logFormat)) {
            useEcsFormat = true;