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 ...
原文：java.sql.SQLException: Unknown initial character set index '255' received from server. Initial client character set can be forced via the 'characterEncoding' property.解決方案
解決方案： 首先查看數據庫的版本號，刪除舊的jar包，將mysql connector java.jar更換成對應版本號 同時在連接數據庫的url后加上 useUnicode true amp characterEncoding utf ...
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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 ...
Unknown initial character set index '255' received from server. Initial client character 解決方法
Unknown initial character set index '255' received from server. Initial client character set can be forced via the 'characterEncoding' property. 從錯誤 ...
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