if (line.length() == 0 || line.charAt(0) == '#') {
                    if (updater != null) {
                        updater.write(line);
                    }
                    continue; // ignore empty lines and comments
                }

                final String inputStrings = line;
                final String input = unescape(inputStrings);

                if (input.length() > 0) {

            final Method method = clazz.getMethod("shutdownAll", (Class<?>[]) null);
            method.invoke(null, (Object[]) null);
        } catch (final ClassNotFoundException e) {
            // ignore
        } catch (final Exception e) {
            logger.warn("Could not shutdown Commons HttpClient.", e);
        }
    }

        return buf.toString();
    }

    private static byte[] getAddress() {
        try {
            return InetAddress.getLocalHost().getAddress();
        } catch (final UnknownHostException ignore) {
            return DEFAULT_ADDRESS;
        }
    }

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

        initializeProbes();

        final String httpAddress = SystemUtil.getSearchEngineHttpAddress();
        if (StringUtil.isNotBlank(httpAddress)) {

        if (closeable == null) {
            return;
        }
        try {
            closeable.close();
        } catch (final IOException e) {
            // ignore
        }
    }

                                    Files.createDirectories(newPath.getParent());
                                } catch (final FileAlreadyExistsException e) {
                                    // ignore
                                }
                                Files.move(path, newPath);
                                logger.info("Move {} to {}", path, newPath);

                    }
                }));
            }
        } catch (final ResourceNotFoundRuntimeException e) {
            // ignore
        } catch (final Exception e) {
            logger.warn("{} is not found.", aliasConfigDirPath, e);
        }
    }

    protected void sendConfigFiles(final String index) {

            return null;
        }

        @Override
        public void close() {
            try {
                writer.flush();
            } catch (final IOException e) {
                // ignore
            }
            CloseableUtil.closeQuietly(writer);

            if (isCommit) {
                try {
                    dictionaryManager.store(KuromojiFile.this, newFile);

            return null;
        }

        @Override
        public void close() {
            try {
                writer.flush();
            } catch (final IOException e) {
                // ignore
            }
            CloseableUtil.closeQuietly(writer);

            if (isCommit) {
                try {
                    dictionaryManager.store(CharMappingFile.this, newFile);

        final DateFormat formatter = new SimpleDateFormat(CoreLibConstants.DATE_FORMAT_ISO_8601_EXTEND);
        try {
            List<String> list;
            csvReader.readValues(); // ignore header
            while ((list = csvReader.readValues()) != null) {
                try {
                    final String sessionId = list.get(0);