com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException异常解决方法

编程语言 2023-09-18 18:25:54 阅读次数: 0

原因：是mysql 数据库的版本太高，而项目引用的mysql-java版本过低导致的

先 select version() 查看自己的mysql的版本，因为我是新装的sql ,项目是之前的，项目重新引入8.0.31的jar包即可
在这里插入图片描述

参考：当需要自动下载jar包时：
https://blog.csdn.net/hahaqinyou/article/details/125713317

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转载自blog.csdn.net/rainAndyou/article/details/127750828

com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException异常解决方法

com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException 异常解决

com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException 异常

解决：Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:

com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException

com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operati

Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException

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