try {
                    tokens.addAll(analyzer.analyze(buf.toString().trim(), field, lang));
                } catch (OpenSearchStatusException | IllegalStateException e) {
                    if (logger.isDebugEnabled()) {
                        logger.warn("[{}][{}] Failed to analyze a text(size:{}).", field, lang, buf.length(), e);
                    } else {

            extractorMap.put(key, newExtractors);
        } else {
            extractorMap.put(key, new Extractor[] { extractor });
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Loaded {} : {}", key, extractor.getClass().getName());
        }
    }

    /**
     * Adds an extractor to the factory for all keys in the provided list.
     *

     * configured timeouts, authentication, and request headers.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", ApiExtractor.class.getName());
        }

        // httpclient

                        }
                        timeout = curResp.getExpiration() - System.currentTimeMillis();
                        if (timeout <= 0) {
                            if (log.isDebugEnabled()) {
                                log.debug("State is " + this.state);
                            }
                            throw new RequestTimeoutException(this.name + " timedout waiting for response to " + curReq);

        long usage = this.usageCount.decrementAndGet();
        if (log.isTraceEnabled()) {
            log.trace("Release session " + usage + " " + this);
        }

        if (usage == 0) {
            if (log.isDebugEnabled()) {
                log.debug("Usage dropped to zero, release connection " + this.transport);
            }
            // Ensure atomic cleanup of all resources
            synchronized (this) {

                    .map(permissions -> fessConfig.isApiAdminAccessAllowed(permissions))
                    .orElse(false);
        } catch (final InvalidAccessTokenException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Invalid access token.", e);
            }
            return false;
        }
    }

                factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
                factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");
            } catch (final Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to set a property.", e);
                }
            }
        }
        try {
            factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);

    void warn(String message);

    void warn(String message, Throwable t);

    boolean isInfoEnabled();

    void info(String message);

    void info(String message, Throwable t);

    boolean isDebugEnabled();

    void debug(String message);

    void debug(String message, Throwable t);

     * This method is thread-safe.
     *
     * @param ingester the ingester to add
     */
    public synchronized void add(final Ingester ingester) {
        if (logger.isDebugEnabled()) {
            logger.debug("Loaded {}", ingester.getClass().getSimpleName());
        }
        final Ingester[] newIngesters = Arrays.copyOf(ingesters, ingesters.length + 1);

            System.err.println("java " + Crawler.class.getCanonicalName() + " [options...] arguments...");
            parser.printUsage(System.err);
            return;
        }

        if (logger.isDebugEnabled()) {
            try {
                ManagementFactory.getRuntimeMXBean().getInputArguments().stream().forEach(s -> logger.debug("Parameter: {}", s));