Unknown initial character set index '255' received from server. Initial client character 解决方法
mysql连接数据库时报此错误：
//String url = "jdbc:mysql://localhost:3306/mytest_db" 如果使用这句就会报错。
//Unknown initial character set index '255' received from server. Initial client character set can be forced via the 'characterEncoding' property.
String url = "jdbc:mysql://localhost:3306/mytest_db?useUnicode=true&characterEncoding=utf8"; //改成这句，就可以了
#jdbc.mysql.className=com.mysql.jdbc.Driver jdbc.mysql.className=com.p6spy.engine.spy.P6SpyDriver #jdbc.mysql.url=jdbc:mysql://127.0.0.1:3306/mytest_db?useUnicode=true&characterEncoding=utf-8 ##&修改成& 可以解决报错 jdbc.mysql.url=jdbc:mysql://127.0.0.1:3306/mytest_db?useUnicode=true&characterEncoding=utf-8 jdbc.mysql.user=test jdbc.mysql.password=test jdbc.dbcp.maxActive=30 jdbc.dbcp.maxIdle=16 jdbc.dbcp.maxWait=10000 jdbc.dbcp.defaultAutoCommit=true jdbc.dbcp.removeAbandoned=true jdbc.dbcp.removeAbandonedTimeout=60 jdbc.dbcp.logAbandoned=true
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