mysql数据库连接超过8小时失效的解决方案（springboot）

1.https://blog.csdn.net/chenyiming2010/article/details/90443418

2.https://blog.csdn.net/u012859681/article/details/62051509

3.修改mysql等待时长

mysql -h10.0.0.1 -uroot -p
打开MySQL的控制台，
运行:
show variables like '%timeout%';
show global variables like 'wait_timeout';
#修改mysql等待时间24h
set global wait_timeout=86400;
set global interactive_timeout=86400;
#重启mysql
service mysqld restart

#查看mysql等待时长
show global variables like 'wait_timeout';
show variables like '%timeout%';
show processlist;