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;
        }
    }

        }

        throwValidationError(messages -> messages.addErrorsInvalidQueryUnknown(GLOBAL), this::asListHtml);
        return null; // ignore
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse search(final ListForm form) {
        saveToken();
        return doSearch(form);
    }

    @Execute

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

                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)) {

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

            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);

                    }
                }));
            }
        } 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(CharMappingFile.this, newFile);

            final StringBuilder buf = new StringBuilder(100);
            return ".*" + appendFileterPath(buf, escape(v)) + ".*";
        }
        if (s.startsWith(REGEXP_IGNORE_CASE)) {
            final String v = s.substring(REGEXP_IGNORE_CASE.length());
            final StringBuilder buf = new StringBuilder(100);
            buf.append("(?i)");
            return appendFileterPath(buf, unescape(v));
        }