1.问题
报错:dataGrip java.net.ConnectException: Connection refused: connect.
详细错误:[08S01]
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.
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.
2.原因
mysql57服务并未开启,开启后连接成功