php - 打开网站时CodeIgniter数据库错误

Question

该网站在一段时间内运行良好，但几天后返回此错误:

A PHP Error was encountered

Severity: Warning

Message: mysqli::real_connect(): (HY000/2002): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (111)

Filename: mysqli/mysqli_driver.php

Line Number: 202

Backtrace:

File: /var/www/html/application/controllers/Login.php Line: 8 Function: database

File: /var/www/html/index.php Line: 289 Function: require_once

A Database Error Occurred

Unable to connect to your database server using the provided settings.

Filename: core/CodeIgniter.php

Line Number: 500

帮助将不胜感激

谢谢

尼朋

Answer 1

三种可能。您的数据库已关闭(或已死亡)。当客户端和服务器位于同一台计算机上时，您尚未将数据库设置为使用 unix 套接字。或者网络用户无法读写套接字。