/** The key of the message: Username or Password is not correct. */
    public static final String ERRORS_login_error = "{errors.login_error}";

    /** The key of the message: Failed to process SSO login. */
    public static final String ERRORS_sso_login_error = "{errors.sso_login_error}";

    /** The key of the message: Could not find {0}. */

        log.warn(message.toString());
    }

    /**
     * ERROR情報を出力します。
     *
     * @param message
     *            メッセージ
     * @param throwable
     *            例外
     */
    public void error(final Object message, final Throwable throwable) {
        log.error(message.toString(), throwable);
    }

    /**
     * ERROR情報を出力します。
     *
     * @param message
     *            メッセージ

    @Override
    public boolean isErrorEnabled() {
        return logger.isErrorEnabled();
    }

    @Override
    public void error(final String message) {
        logger.error(message);
    }

    @Override
    public void error(final String message, final Throwable t) {
        logger.error(message, t);
    }

    @Override
    public boolean isWarnEnabled() {
        return logger.isWarnEnabled();
    }

    public void testWarn() throws Exception {
        logger.warn("warn");
    }

    /**
     * @throws Exception
     */
    @Test
    public void testError() throws Exception {
        logger.error("error");
    }

    /**
     * @throws Exception
     */
    @Test
    public void testFatal() throws Exception {
        logger.fatal("fatal");
    }

    /**
     * @throws Exception
     */

            if (logger.isDebugEnabled()) {
                logger.error("IndexUpdater is terminated.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("IndexUpdater is terminated.");
            }
            forceStop();
        } catch (final Throwable t) {
            if (ComponentUtil.available()) {
                logger.error("IndexUpdater is terminated.", t);

        stemmerOverrideFile.stemmerOverrideItemList = itemList;
    }

    public void test_selectList() {
        final PagingList<StemmerOverrideItem> itemList1 = stemmerOverrideFile.selectList(0, 20); // error occurs
        assertEquals(3, itemList1.size());
        assertEquals(3, itemList1.getAllRecordCount());
        assertEquals(1, itemList1.getCurrentPageNumber());
        assertEquals(20, itemList1.getPageSize());

    }

    public static void printThreadDumpAsWarn() {
        processThreadDump(logger::warn);
    }

    public static void printThreadDumpAsError() {
        processThreadDump(logger::error);
    }

    public static void writeThreadDump(final String file) {
        try (final Writer writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), Constants.CHARSET_UTF_8))) {

                }
                return null;
            });
            resultBuf.append(count).append(" docs").append("\n");
        } catch (final Exception e) {
            logger.error("Could not update labels.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        return resultBuf.toString();
    }

    public UpdateLabelJob query(final QueryBuilder queryBuilder) {

    }

    protected void handleFileUploadException(final FileUploadException e) throws ServletException {
        // 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);
    }

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

            crawlingInfoHelper.putToInfoMap(Constants.CRAWLER_STATUS, errors.isEmpty() ? Constants.T.toString() : Constants.F.toString());
            if (!errors.isEmpty()) {
                crawlingInfoHelper.putToInfoMap(Constants.CRAWLER_ERRORS,
                        errors.stream().map(s -> s.replace(" ", StringUtil.EMPTY)).collect(Collectors.joining(" ")));
            }