mysql 启动报错

Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service" and "journalctl -xe" for details.

mysqld.service的作业失败，因为控制进程已退出，错误代码为。有关详细信息，请参阅“systemctl status mysqld.service”和“journalctl-xe”。