错误：The driver has not received any packets from the server.
错误：The driver has not received any packets from the server.
- 用 mysql 8.*的依赖去连接 mysql 5 时报错
用 mysql 8.*的依赖去连接 mysql 5 时报错
The driver has not received any packets from the server.
解决：
// 将这个url改为 下面一个解决
url: jdbc:mysql://192.168.200.130:3306/gulimall_pms?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf8&useSSL=trueurl: jdbc:mysql://192.168.200.130:3306/gulimall_pms?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf8&useSSL=false也就是将useSSL改为false
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