if (!errors.isEmpty()) {
                            logger.warn("{}", errors.stream().collect(Collectors.joining(", ")));
                            if (auth.isDebugActive() && StringUtil.isNotBlank(auth.getLastErrorReason())) {
                                logger.warn("Authentication Failure: {} - Reason: {}", errors.stream().collect(Collectors.joining(", ")),

    public void addExclude(final String urlPattern) {
        try {
            Pattern.compile(urlPattern);
        } catch (final Exception e) {
            if (logger.isWarnEnabled()) {
                logger.warn("Invalid exclude pattern: {}", urlPattern);
            }
            return;
        }
        if (sessionId == null) {
            cachedExcludeSet.add(urlPattern);
        } else {

                        }
                    } else {
                        logger.warn("Failed to process a task.", e);
                    }
                }
                if (task.isPermanent()) {
                    task.restart();
                }
            });
        } catch (final Exception e) {
            logger.warn("Failed to process a task.", e);
        }
    }

                if (logger.isDebugEnabled()) {
                    logger.debug("container was destroyed.");
                }
                return;
            }
            logger.warn("Failed to store a failure url.", e);
        }

        if (cae.isDebugEnabled()) {
            logger.debug("[{}] Crawling Access Exception at {}", failureUrlId, urlQueue.getUrl(), cae);

        final DataConfig dataConfig = getDataConfig(body).map(entity -> {
            try {
                dataConfigService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;

                HttpResponse response = httpClient.execute(request);
                if(response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
                    Logger.warn("Error response:" + response.getStatusLine().getStatusCode());
                    EntityUtils.consume(response.getEntity());
                    continue;
                }

        final String path = LaServletContextUtil.getServletContext().getRealPath(osddPath);
        if (path == null) {
            logger.warn("{} was not found.", path);
            return null;
        }
        final File osddFile = new File(path);
        if (!osddFile.isFile()) {
            logger.warn("{} was not a file.", path);
            return null;
        }
        return osddFile;
    }

                } catch (final Exception e) {
                    logger.warn("Failed to read a click log: {}", list, e);
                }
            }
        } catch (final IOException e) {
            logger.warn("Failed to read a click log.", e);
        }
    }

    public void exportCsv(final Writer writer) {

                    }
                    clickCountMap.put(docId, countObj);
                }).orElse(() -> {
                    logger.warn("Not Found for SearchLog: {}", clickLog);
                });
            } catch (final Exception e) {
                logger.warn("Failed to process: {}", clickLog, e);
            }
        }
        processClickLog(clickLogList);

                    break;
                }
            } catch (final XPathExpressionException e) {
                logger.warn("Could not parse a value of {}:{}", entry.getKey(), entry.getValue(), e);
            }
        }

        dataMap = processAdditionalData(dataMap, responseData, document);
        normalizeData(responseData, dataMap);