1. 高版本的JDBC驱动,mysql-connector-java 8以上版本。
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.12</version>
</dependency>
![](https://img.haomeiwen.com/i15388344/6d80154e90e401d1.gif)
2. JDBC driver 由“com.mysql.jdbc.Driver”改为“com.mysql.cj.jdbc.Driver”。
3. JDBC url为:
jdbc:mysql://localhost:3306/(数据库名)?useSSL=false&useUnicode=true&characterEncoding=UTF8&serverTimezone=GMT
spring.datasource.url=jdbc:mysql://localhost:3306/ichat?useSSL=false&useUnicode=true&characterEncoding=UTF8&serverTimezone=GMT
spring.datasource.username=root
spring.datasource.password=0000000
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
![](https://img.haomeiwen.com/i15388344/042bef1813a0abe2.gif)
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