public class LdapManager {
    private static final Logger logger = LogManager.getLogger(LdapManager.class);

    protected ThreadLocal<DirContextHolder> contextLocal = new ThreadLocal<>();

    protected volatile boolean isBind = false;

    protected FessConfig fessConfig;

    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());