server.port=8080
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:8080/db?serverTimezone=Asia/Shanghai&useSSL=false&characterEncoding=utf-8
mybatis.configuration.map-underscore-to-camel-case=true
配置好properties后启动springboot连接不上数据库,报错如下:
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.] with root cause
查了很多也没法解决,用户名密码正确,数据库名称正确,就是连接不上。。
com.mysql.jdbc.Driver 是 mysql-connector-java 5中的,
com.mysql.cj.jdbc.Driver 是 mysql-connector-java 6以上的
试试去掉cj
jdbc版本不对
com.mysql.jdbc.Driver 是 mysql-connector-java 5的,
com.mysql.cj.jdbc.Driver 是 mysql-connector-java 6以上的
去掉cj
你的mysql端口是8080吗?