public static String getSearchEngineHttpAddress() {
        final String value = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);
        if (value != null) {
            return value;
        }
        return System.getProperty(Constants.FESS_ES_HTTP_ADDRESS);
    }

public class CrawlerEngineClient extends FesenClient {
    @Override
    protected Client createClient() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String[] hosts =
                split(address, ",").get(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).toArray(n -> new String[n]));

            }
        }

        final String httpAddress = SystemUtil.getSearchEngineHttpAddress();
        if (StringUtil.isNotBlank(httpAddress)) {
            System.setProperty(FesenClient.HTTP_ADDRESS, httpAddress);
        }

        TimeoutTask systemMonitorTask = null;
        int exitCode;
        try {
            SingletonLaContainerFactory.setConfigPath("app.xml");

                        postcard.addReplyTo(fessConfig.getMailReturnPath());
                        if (toAddresses.length > 0) {
                            stream(toAddresses).of(stream -> stream.map(String::trim).forEach(address -> {
                                postcard.addTo(address);
                            }));
                        } else {

                postcard.setFrom(fessConfig.getMailFromAddress(), fessConfig.getMailFromName());
                postcard.addReplyTo(fessConfig.getMailReturnPath());
                stream(toAddresses).of(stream -> stream.forEach(address -> {
                    postcard.addTo(address);
                }));
                BeanUtil.copyMapToBean(dataMap, postcard);
            });
            saveInfo(messages -> messages.addSuccessSendTestmail(GLOBAL));

    //                                                                    ================
    // -----------------------------------------------------
    //                                          Mail Address
    //                                          ------------
    public void setFrom(String from, String personal) {
        doSetFrom(from, personal);
    }

    public void addTo(String to) {
        doAddTo(to);

                    postcard.addReplyTo(fessConfig.getMailReturnPath());
                    if (toAddresses.length > 0) {
                        stream(toAddresses).of(stream -> stream.map(String::trim).forEach(address -> {
                            postcard.addTo(address);
                        }));
                    } else {
                        postcard.addTo(fessConfig.getMailFromAddress());

    /** The key of the configuration. e.g. Administrator */
    String MAIL_FROM_NAME = "mail.from.name";

    /** The key of the configuration. e.g. root@localhost */
    String MAIL_FROM_ADDRESS = "mail.from.address";

    /** The key of the configuration. e.g.  */
    String MAIL_HOSTNAME = "mail.hostname";

    /** The key of the configuration. e.g.  */

    /** The key of the message: {item} is invalid {type} barcode. */
    public static final String CONSTRAINTS_EAN_MESSAGE = "{constraints.EAN.message}";

    /** The key of the message: {item} is not a well-formed email address. */
    public static final String CONSTRAINTS_Email_MESSAGE = "{constraints.Email.message}";

    /** The key of the message: Length of {item} must be between {min} and {max}. */

        defaultSettings.put("onelogin.saml2.contacts.technical.email_address", "******@****.***");
        defaultSettings.put("onelogin.saml2.contacts.support.given_name", "Support Guy");
        defaultSettings.put("onelogin.saml2.contacts.support.email_address", "support@@example.com");
    }

    protected Saml2Settings getSettings() {