问题：部分mysql版本问题 

Cannot connect to database 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.
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure


posted @ 2017-12-01 11:13  斌灬小生不才  阅读(155)  评论(0)  编辑  收藏  举报