Unknown character set index for field '255' received from server.

时间 2021-01-06

标签 jdbc mysql 栏目 Java 繁體版

原文原文链接

连接数据库时，出现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与jar的编码错乱引起的，我的MYSQL是8.0版本 MYSQL 5.5 之前， UTF8 编码只支持1-3个字节;从MYSQL5.5开始，可支持4个字节UTF编码utf8mb4; 如em

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1. Java Web 链接MySQL Unknown character set index for field '255' received from server.
2. Unknown initial character set index '255' received from server
3. Unknown initial character set index ‘255‘ received from server. Initial client character set can be
4. Unknown initial character set index '255' received from server. Initial client character set can be
5. Unknown initial character set index ‘255‘ received from server. Initial client character 解决方法
6. Unknown initial character set index '255' received from server. Initial client character 解决方法
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9. java.sql.SQLException: Unknown initial character set index ‘255‘ received from server. Initial clien
10. 数据库连接报错解决方法：java.sql.SQLException: Unknown character set index for field '255' received from server.
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1. Java Web 链接MySQL Unknown character set index for field '255' received from server.
2. Unknown initial character set index '255' received from server
3. Unknown initial character set index ‘255‘ received from server. Initial client character set can be
4. Unknown initial character set index '255' received from server. Initial client character set can be
5. Unknown initial character set index ‘255‘ received from server. Initial client character 解决方法
6. Unknown initial character set index '255' received from server. Initial client character 解决方法
7. Spring链接mysql数据库，Unknown character set index for field '255' received from server.
8. 【报错】Unknown character set index for field '224' received from server.
9. java.sql.SQLException: Unknown initial character set index ‘255‘ received from server. Initial clien
10. 数据库连接报错解决方法：java.sql.SQLException: Unknown character set index for field '255' received from server.

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