IDEA报错Failed to obtain JDBC Connection;Communications link failure;已经卡在这错误第八天了,网上所有方法基本都试过还是不行,用了黑马程序员的源码运行也报这个错,mysql数据库启用都正常,感觉是配置文件出了问题但不知道如何修改!!T_T
xuyoujia1991的博客Exception in thread "main" org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtainJDBCConnection; nested exception is ...
Finghting!的博客Exception in thread “main” org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtainJDBCConnection; nested exception is ...
天上飞的云传奇的博客com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications linkfailure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from ...
夙白风语的博客 8 common frames omitted Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtainJDBCConnection; nested exception is java.sql.SQLNonTransientConnectionException: Could ...