【Java】application run failed Illegal mix of collations (latin1_swedish

springboot 启动时报这个错：application run failed
Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_COERCIBLE)

查看数据的编码

再用 SHOW VARIABLES LIKE ‘collation_%’; 查看一下显示

最后依次执行一下命令

最后还是不能解决这个错，最终解决方法：
1.如果是windows版本的mysql，那么在安装的时候，系统就会提示用哪种编码。
如果安装的时候设置错误了，修改mysql安装目录下的my.ini文件：

2. 如果是linux版本的mysql

修改mysql的配置文件,使数据库与服务器操作系统的字符集设置一致。
vi /etc/my.cnf 设置(如果没有发现这个文件，就新建1个)

最后才解决问题，启动成功。

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