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

        }
        paramMap.put(Param.Client.FTP_AUTHENTICATIONS, ftpAuthList.toArray(new FtpAuthentication[ftpAuthList.size()]));
        if (logger.isDebugEnabled()) {
            ftpAuthList.forEach(ftpAuth -> logger
                    .debug("FtpAuthentication: " + ftpAuth.getServer() + ":" + ftpAuth.getPort() + " " + ftpAuth.getUsername()));
        }

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

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