date: 2015-11-18 19:21
InnoDB: Unable to lock ./ibdata1, error: 11
InnoDB: Check that you do not already have another mysqld process
InnoDB: using the same InnoDB data or log files.
不使用/etc/init.d/mysql restart
使用service mysql restart 即可
setcookie 如果时间设置为0,即session就过期