file.deleteOnExit();
        FileUtil.writeBytes(file.getAbsolutePath(), "ldap.security.principal=******@****.***".getBytes("UTF-8"));
        DynamicProperties systemProps = new DynamicProperties(file);
        ComponentUtil.register(systemProps, "systemProperties");
        SystemHelper systemHelper = new SystemHelper();
        VirtualHostHelper virtualHostHelper = new VirtualHostHelper();