The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

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TyySingle

4583人浏览 · 2020-12-17 11:05:04

TyySingle · 2020-12-17 11:05:04 发布

com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure ，The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.翻译是：上次成功发送到服务器的数据包是0毫秒前。驱动程序没有收到来自服务器的任何数据包。
首先排查代码连接数据库配置是否正确如果配置正确，那就检查服务有没有启动。。。