解决问题：mysql 异常编号 1040： too many connections

重启mysql 服务器service mysql restart

1.mysql -u root -p 回车输入密码进入mysql

2. 执行show variables like "max_connections"; 

3.执行set GLOBAL max_connections=1000; 

4.执行show variables like "max_connections"; 

5.退出mysql服务，exit

原文链接：https://blog.csdn.net/smd2575624555/article/details/86010183