Unknown initial character set index '255' received from server. Initial client character set can be
mysql的连接错误，在网上查找到是编码不匹配的原因， 直接在连接的URL后加上?useUnicode=true&characterEncoding=utf8就可以了 ...
原文：Unknown initial character set index '255' received from server
刚学mybatis，测试的时候有异常： 去检查数据库的数据，有汉字 就在url后面加上了 characterEncoding utf 之后就可以正常显示了。 ...
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Unknown initial character set index '255' received from server. Initial client character 解决方法
Unknown initial character set index '255' received from server. Initial client character set can be forced via the 'characterEncoding' property. 从错误 ...
Unknown character set index for field '255' received from server.
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Exception in thread "main" java.sql.SQLException: Unknown initial character set index '255' received from server. Initial client character set can
解决方法： ?useUnicode=true&characterEncoding=utf-8 在url路径上加上这句话 ...
java.sql.SQLException: Unknown initial character set index '255' received from server. Initial client character set can be forced via
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关于Javaweb中报错信息Cause: java.sql.SQLException: Unknown initial character set index '255' received from server.解决办法
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character_set_server 不能修改
set global character_set_server = utf8;set global collation_server = utf8_general_ci; set character_set_server = utf8;set collation_server ...