Spring Boot启动报Caused by: java.sql.SQLException: Access denied for user 'root'@'localhost' (using pas
为了存储emoji，将原本旧版本的mysql卸载了，重新装新版mysql，结果数据库安装调试好了之后，突然发现之前的Spring Boot项目启动报错了。错误如下：com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database serve...
