这种错误一般是 MySQL 服务器异常关机导致的, 解决方案如下:
- # Ubuntu
- sudo service MySQL stop
- sudo usermod -d /var/lib/MySQL/ MySQL
- sudo service MySQL start
- # CentOS
- sudo systemctl stop MySQL.service
- sudo usermod -d /var/lib/MySQL/ MySQL
- sudo systemctl start MySQL.service
来源: http://www.bubuko.com/infodetail-3682388.html