... Failed to obtain JDBC Connection; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
原因:打开数据库
... Failed to obtain JDBC Connection; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
原因:打开数据库
本文标题:springboot错误
本文链接:https://www.haomeiwen.com/subject/oiebbltx.html
网友评论