数据库是mysql8
c3p0配置文件出错:实体之间要使用;隔开,而在xml文件中,分号用&代替
原来:mysql:///spring?useSSL=false;serverTimezone=UTC
异常:com.mysql.cj.exceptions.WrongArgumentException: Malformed database URL, failed to parse the connection string near '=UTC'
现在:mysql:///spring?useSSL=false&serverTimezone=UTC