bind-address
![[mysql][08S01]Communications link failure-Datagrip연결](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2FdlLypd%2FbtqVSvd7siv%2F2WyKYDRPHVqoBOrsvFgvKk%2Fimg.png)
[mysql][08S01]Communications link failure-Datagrip연결
Datagrip 연결 에러 탄력적IP를 부여받은 EC2인스턴스(ubuntu 18.04)를 Datagrip에서 mysql을 연결하려 했는데 Test Connection을 해보니 에러가 발생했다. [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. java.net.ConnectException: Connection refused (Connection refused). 해결방법 $ cd /etc/mysql/mysql.conf.d $ sudo vi mysqld.cnf #b..