Mysql报错java.sql.SQLException:null,message from server:"Host '27,45,38,132' is not allowed to connect
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Mysql连接报错:java.sql.SQLException:null,message from server:"Host '27,45,38,132' is not allowed to connect.
原因是:远程服务器不允许你的java程序访问它的数据库。所以,我们要对远程服务器进行设置,使它允许你进行连接。
步骤:一、打开mysql控制台,输入:use mysql;
二、输入:show tables;
三、输入:select host from user;
四、输入:update user set host ='%' where user ='root';
五、打开计算机的服务界面,重新启动mysql服务,远程服务器就允许程序连接数据库了。
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