1、Unknown system variable 'query_cache_size'
https://blog.csdn.net/qq_21870555/article/details/80711187
2、The server time zone value 'Öйú±ê׼ʱ¼ä' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time zone value if you want to utilize time zone support.
https://blog.csdn.net/HW_870754395/article/details/88430293
3、Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdb