解决Loading class `com.mysql.jdbc.Driver‘. This is deprecated. The new driver class is `com.mysql.cj.j

Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. 

整合spring boot项目过程中出现的,用了最新的mysql 连接驱动

application-dev.properties

spring.datasource.url=jdbc:mysql://localhost:3306/test?serverTimezone=GMT%2B8
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driver-class-name=com.mysql.jdbc.Driver

需要将 com.mysql.jdbc.Driver  改为  com.mysql.cj.jdbc.Driver

spring.datasource.url=jdbc:mysql://localhost:3306/test?serverTimezone=GMT%2B8
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

为什么用8.0版本的驱动可以,5.1版本也可以,5.5、5.6、5.7都不可以(或许这些版本的连接器都是我一厢情愿的)
. 看了下MySQL Connectors 官方文档 上面只有version8.0和version5.1两个版本的文档(看来真的是我想多了)
.version8.0文档上有说明:Connector/J 8.0 provides compatibility with all the functionality of MySQL 5.5, 5.6, 5.7, and 8.0(都兼容,大胆用了)

致谢:

https://blog.csdn.net/dj673344908/article/details/85223313

https://blog.csdn.net/weixin_42323802/article/details/82500458

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