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Unknown character set index for field '255' received from server.
時間 2021-01-06
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jdbc
mysql
欄目
Java
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連接數據庫時,出現Unknown character set index for field '255' received from server. 原因是MySQL版本高,mysql的jar版本低造成mysql與jar的編碼錯亂引起的,我的MYSQL是8.0版本 MYSQL 5.5 之前, UTF8 編碼只支持1-3個字節;從MYSQL5.5開始,可支持4個字節UTF編碼utf8mb4; 如em
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Java Web 鏈接MySQL Unknown character set index for field '255' received from server.
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