final FtpAuthentication[] ftpAuthentications =
                getInitParameter(FTP_AUTHENTICATIONS_PROPERTY, new FtpAuthentication[0], FtpAuthentication[].class);
        if (ftpAuthentications != null) {
            for (final FtpAuthentication ftpAuthentication : ftpAuthentications) {
                holder.add(ftpAuthentication);
            }
        }

                smb1AuthList.toArray(new org.codelibs.fess.crawler.client.smb1.SmbAuthentication[smb1AuthList.size()]));
        paramMap.put(Param.Client.FTP_AUTHENTICATIONS, ftpAuthList.toArray(new FtpAuthentication[ftpAuthList.size()]));

        crawlerClientFactory = factory;
        return factory;
    }

    @Override

            Map<String, Object> params = new HashMap<String, Object>();
            FtpAuthentication auth = new FtpAuthentication();
            auth.setUsername(username);
            auth.setPassword(password);
            params.put(FtpClient.FTP_AUTHENTICATIONS_PROPERTY, new FtpAuthentication[] { auth });
            ftpClient.setInitParameterMap(params);

                        logger.warn("username is empty. fileAuth:{}", fileAuthName);
                        continue;
                    }

                    final FtpAuthentication ftpAuth = new FtpAuthentication();
                    ftpAuth.setServer(hostname);
                    if (StringUtil.isNotBlank(port)) {
                        try {