我正在尝试使用PHPResque(通过redisent使用Redis),但我不断收到此错误:Warning:fsockopen()expectsparameter2tobelong,stringgivenin/home/***/public_html/codes/ao/resque/lib/Redisent/Redisent.phponline56Fatalerror:Uncaughtexception'Exception'withmessage'-'in/home/***/public_html/codes/ao/resque/lib/Redisent/Redisent.php:58