response.flushBuffer();
            if (logger.isDebugEnabled()) {
                logger.debug("Loaded {} docs", count);
            }
        } catch (final InvalidQueryException | ResultOffsetExceededException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to process a scroll request.", e);
            }
            writeJsonResponse(HttpServletResponse.SC_BAD_REQUEST, e);

    /**
     * Logs a debug message without an associated exception.
     *
     * @param message the debug message to be logged
     */
    default void debug(String message) {
        log(Level.DEBUG, message);
    }

    /**
     * Logs a debug message with an associated exception.
     *
     * @param message the debug message to be logged
     * @param error the associated exception

     *
     * @return a cryptographically secure random salt
     */
    public byte[] generatePreauthSalt() {
        byte[] salt = new byte[SALT_SIZE];
        secureRandom.nextBytes(salt);
        log.debug("Generated new preauth salt of {} bytes", salt.length);
        return salt;
    }

    /**
     * Initializes preauth integrity context for a new session.
     *
     * @param sessionId the session identifier

                    .get(stream -> stream.map(String::trim).filter(StringUtil::isNotBlank).collect(Collectors.toUnmodifiableSet()));
        }
        if (logger.isDebugEnabled()) {
            logger.debug("availableSearcherNameSet={}", availableSearcherNameSet);
        }
    }

    @Override
    @PreDestroy
    public void close() throws Exception {
        if (executorService != null) {
            try {

    public boolean generate(final String thumbnailId, final File outputFile) {
        if (logger.isDebugEnabled()) {
            logger.debug("Generate Thumbnail: {}", thumbnailId);
        }

        if (outputFile.exists()) {
            if (logger.isDebugEnabled()) {
                logger.debug("The thumbnail file exists: {}", outputFile.getAbsolutePath());
            }
            return true;
        }

                        } catch (final IOException ex) {
                            log.debug("Connection failed " + dr.getServer(), ex);
                            e = ex;
                            dr = dr.next();
                            continue;
                        }
                    }

                    log.debug("No server name in referral");
                    return null;

	flag.StringVar(&bucket, "bucket", "", "Select a specific bucket")
	flag.StringVar(&prefix, "prefix", "", "Select a prefix")
	flag.BoolVar(&debug, "debug", false, "Prints HTTP network calls to S3 endpoint")
	flag.BoolVar(&versions, "versions", false, "Verify all versions")
	flag.BoolVar(&insecure, "insecure", false, "Disable TLS verification")

            logger.debug("Delete elevateword. {} elevateword: {}", arraySettings.arraySettingsIndexName, elevateWord);
        }
        arraySettings.delete(ELEVATE_WORD_SETTINGD_KEY, elevateWord);
    }

    /**
     * Delete all elevate words.
     */
    public void deleteAll() {
        if (logger.isDebugEnabled()) {

                System.getProperties().entrySet().stream().forEach(e -> logger.debug("Property: {}={}", e.getKey(), e.getValue()));
                System.getenv().entrySet().forEach(e -> logger.debug("Env: {}={}", e.getKey(), e.getValue()));
                logger.debug("Option: {}", options);
            } catch (final Exception e) {

    boolean isInfoEnabled();

    void info(String message);

    void info(String message, Throwable t);

    boolean isDebugEnabled();

    void debug(String message);

    void debug(String message, Throwable t);