Too many connections[湖南考试]

　　#0 /www/wwwroot/ymexam.com/ThinkPHP/Library/Think/Db/Driver/Mysql.class.php(55): E('Too many connec...')

　　#1 /www/wwwroot/ymexam.com/ThinkPHP/Library/Think/Db.class.php(164): ThinkDbDriverMysql->connect()

　　#2 /www/wwwroot/ymexam.com/ThinkPHP/Library/Think/Db/Driver/Mysql.class.php(84): ThinkDb->initConnect(false)

　　#3 /www/wwwroot/ymexam.com/ThinkPHP/Library/Think/Db/Driver/Mysql.class.php(207): ThinkDbDriverMysql->query('SHOW COLUMNS FR...')

　　#4 /www/wwwroot/ymexam.com/ThinkPHP/Library/Think/Model.class.php(130): ThinkDbDriverMysql->getFields('yb_area')

　　#5 /www/wwwroot/ymexam.com/ThinkPHP/Library/Think/Model.class.php(118): ThinkModel->flush()

　　#6 /www/wwwroot/ymexam.com/ThinkPHP/Library/Think/Model.class.php(1298): ThinkModel->_checkTableInfo()

　　#7 /www/wwwroot/ymexam.com/ThinkPHP/Library/Think/Model.class.php(95): ThinkModel->db(0, '', true)

　　#8 /www/wwwroot/ymexam.com/ThinkPHP/Common/functions.php(553): ThinkModel->__construct('Area', '', '')

　　#9 /www/wwwroot/ymexam.com/App/Home/Controller/CommController.class.php(735): M('Area')

　　#10 /www/wwwroot/ymexam.com/App/Home/Controller/CommController.class.php(23): HomeControllerCommController->findIds('43', 'Area', '')

　　#11 /www/wwwroot/ymexam.com/ThinkPHP/Common/functions.php(612): HomeControllerCommController->__construct()

　　#12 /www/wwwroot/ymexam.com/ThinkPHP/Library/Think/App.class.php(87): controller('News', '')

　　#13 /www/wwwroot/ymexam.com/ThinkPHP/Library/Think/App.class.php(200): ThinkApp::exec()

　　#14 /www/wwwroot/ymexam.com/ThinkPHP/Library/Think/Think.class.php(120): ThinkApp::run()

　　#15 /www/wwwroot/ymexam.com/ThinkPHP/ThinkPHP.php(96): ThinkThink::start()

　　#16 /www/wwwroot/ymexam.com/index.php(27): require('/www/wwwroot/ym...')

　　#17 {main}