更新mysql-connector-java版本:
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.19</version>
</dependency>
更换驱动
com.mysql.cj.jdbc.Driver
更改时区:
set global time_zone='+8:00';
或者数据库连接的时候设置
serverTimezone=GMT%2B8