logger.warn("Authentication Failure: {} - Reason: {}", errors.stream().collect(Collectors.joining(", ")),
                                        auth.getLastErrorReason());
                            } else {
                                logger.warn("Authentication Failure: {}", errors.stream().collect(Collectors.joining(", ")));
                            }

    /** The key of the configuration. e.g. true */
    String CRAWLER_IGNORE_CONTENT_EXCEPTION = "crawler.ignore.content.exception";

    /** The key of the configuration. e.g. 404 */
    String CRAWLER_FAILURE_URL_STATUS_CODES = "crawler.failure.url.status.codes";

    /** The key of the configuration. e.g. 60 */
    String CRAWLER_SYSTEM_MONITOR_INTERVAL = "crawler.system.monitor.interval";

    /** The key of the configuration. e.g. true */

                            final DocWriteRequest<?> req = requests.get(i);
                            final Failure failure = resp.getFailure();
                            logger.debug("Failed Request: {}\n=>{}", req, failure.getMessage());
                        }
                    }
                }
            }

    private static void createWebConfig() {
        final Map<String, Object> requestBody = new HashMap<>();
        final String urls = "https://www.codelibs.org/" + "\n" + "http://failure.url";
        final String includedUrls = "https://www.codelibs.org/.*" + "\n" + "http://failure.url.*";
        requestBody.put("name", NAME_PREFIX + "WebConfig");
        requestBody.put("urls", urls);
        requestBody.put("included_urls", includedUrls);

        setSystemProperty(Constants.IGNORE_FAILURE_TYPE_PROPERTY, value);
    }

    default String getIgnoreFailureType() {
        return getSystemProperty(Constants.IGNORE_FAILURE_TYPE_PROPERTY, Constants.DEFAULT_IGNORE_FAILURE_TYPE);
    }

    default void setFailureCountThreshold(final int value) {
        setSystemPropertyAsInt(Constants.FAILURE_COUNT_THRESHOLD_PROPERTY, value);
    }

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "failure_url";
    }

    @Override
    public String xgetAliasName() {
        return "failure_url";
    }

    // ===================================================================================

                    }
                } else if (line.startsWith(DISABLE_URL_ENCODE)) {
                    urlEncodeDisabled.set(true);
                }
            }));

            // failure url
            final List<String> excludedUrlList = ComponentUtil.getCrawlingConfigHelper().getExcludedUrlList(webConfig.getConfigId());
            if (excludedUrlList != null) {

        systemProperties.setProperty(Constants.FAILURE_COUNT_THRESHOLD_PROPERTY, "0");
        assertEquals(0, crawlingConfigHelper.getExcludedUrlList("123").size());
        errorCount.set(5);
        assertEquals(5, crawlingConfigHelper.getExcludedUrlList("123").size());
        systemProperties.setProperty(Constants.IGNORE_FAILURE_TYPE_PROPERTY, "TestError0");

        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.failure_url";
    }

    @Override
    public String asEsIndexType() {
        return "failure_url";
    }

    @Override
    public String asEsSearchType() {
        return "failure_url";
    }

    @Override
    public FailureUrlDbm asDBMeta() {
        return FailureUrlDbm.getInstance();

                "fess_config.duplicate_host", //
                "fess_config.elevate_word", //
                "fess_config.elevate_word_to_label", //
                "fess_config.failure_url", //
                "fess_config.file_authentication", //
                "fess_config.file_config", //
                "fess_config.job_log", //
                "fess_config.key_match", //