mysql 5.7 Could not load driverClass com.mysql.cj.jdbc.Driver

 

 

reference:

http://www.manongjc.com/article/24424.html

https://blog.csdn.net/kingscoming/article/details/78824449

https://blog.csdn.net/yaphets__yj/article/details/77774874

 

Indeed, after the upgrade mysql connectors on it, but I do not use the debug mode is activated, the direct start, so it is necessary to lib put it, or certainly not to be found.

 

url time zone using China Standard Time. Also on serverTimezone = Asia / Shanghai