首页 > 数据库> > java.sql.SQLException: Unknown initial character set index '255' received from server. Ini java.sql.SQLException: Unknown initial character set index '255' received from server. Ini 2019-12-16 12:54:56 作者:互联网 解决方案: 首先查看数据库的版本号,删除旧的jar包,将mysql-connector-java.jar更换成对应版本号 同时在连接数据库的url后加上?useUnicode=true&characterEncoding=utf-8 标签:index,set,java,版本号,jar,characterEncoding,character 来源: https://www.cnblogs.com/NFii/p/12048524.html