Unknown initial character set index '255' received from server. Initial client character set can be
mysql的連接錯誤，在網上查找到是編碼不匹配的原因， 直接在連接的URL后加上?useUnicode=true&characterEncoding=utf8就可以了 ...
原文：Unknown initial character set index '255' received from server. Initial client character 解決方法
Unknown initial character set index received from server. Initial client character set can be forced via the characterEncoding property. 從錯誤的提示信息中發現字符集設置出現問題 mysql連接數據庫時報此錯誤： String url jdbc:mysql: lo ...
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java.sql.SQLException: Unknown initial character set index '255' received from server. Initial client character set can be forced via
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Unknown initial character set index '255' received from server
剛學mybatis，測試的時候有異常： 去檢查數據庫的數據，有漢字 就在url后面加上了"?characterEncoding=utf8"之后就可以正常顯示了。 ...
Exception in thread "main" java.sql.SQLException: Unknown initial character set index '255' received from server. Initial client character set can
解決方法： ?useUnicode=true&characterEncoding=utf-8 在url路徑上加上這句話 ...
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