try {
                duplicateHostService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }

                if (response.getHttpStatusCode() == 200) {
                    logger.info("Flushed config files.");
                } else {
                    logger.warn("Failed to flush config files.");
                }
            } catch (final Exception e) {
                logger.warn("Failed to flush config files.", e);
            }
            break;
        }

    }

            try {
                dataConfigService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }

            if (logger.isDebugEnabled()) {
                logger.debug("tikaExtractor is not found: {}", e.getMessage().replace('\n', ' '));
            }
        } catch (final Exception e) {
            logger.warn("Failed to initiaize TikaExtractor.", e);
        }
    }

    public String getTitle(final ResponseData responseData, final String title, final Map<String, Object> dataMap) {
        if (title == null) {

        // suppress logging because it can be caught by logging filter
        //log.error("Failed to parse multipart request", e);
        throw new ServletException("Failed to upload the file.", e);
    }

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

            } else {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.firefox", "file://///"));
            }
            break;
        case CHROME:
            if (isLocalFile) {
                url = url.replaceFirst("file:/+", systemProperties.getProperty("file.protocol.winlocal.chrome", "file://"));
            } else {

                    }
                } catch (final Exception e) {
                    logger.warn("Failed to read a sugget elevate word: {}", list, e);
                }
            }
            elevateWordBhv.refresh();
        } catch (final IOException e) {
            logger.warn("Failed to read a sugget elevate word.", e);
        }
    }

    public void exportCsv(final Writer writer) {

            } catch (final Exception e) {
                logger.warn("Failed to create system properties file.", e);
            }
        }

        final SuggestCreator creator = ComponentUtil.getComponent(SuggestCreator.class);
        final LocalDateTime startTime = LocalDateTime.now();
        int ret = creator.create();
        if (ret == 0) {
            ret = creator.purge(startTime);

            if (e.getCause() == null) {
                logger.debug(e.getMessage());
            } else {
                logger.warn("Failed to process {}", id, e);
            }
        } catch (final Exception e) {
            logger.warn("Failed to process {}", id, e);
        }
        return false;
    }

    protected boolean process(final String id, final Predicate<ResponseData> consumer) {

            try {
                return OptionalEntity.of(userInfoCache.get(userCode));
            } catch (final ExecutionException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to access UserInfo cache.", e);
                }
            }
        }
        return OptionalEntity.empty();
    }

    protected void processSearchLogQueue(final Queue<SearchLog> queue) {