问题: 解决方案: 使用管理员权限打开cmd执行以下命令: mysql -u root p use mysql alter user root@localhost identified with mysql_native_password by 'admin123';    // (admin123 为新密码,不要忘记后面的分号) flush privileges; 如图: 重新连接即可成功…

错误如图所示: 错误详情信息: client does not support authentication protocol requested by server;consider upgrading Mysql client ERROR (HY000): Operation ALTER USER failed for 'root'@'localhost' 问题原因:主要是由于mysql8以前的加密规则与mysql8以后的存在差异. 解决办法: ALTER USER 'root'@'loca…

最近需要用MYSQL,使用navicat 连接时总出现1251错误,在网上查了一些别人的方法并试过 以下方法是正确的. 方法来自:https://blog.csdn.net/XDMFC/article/details/80263215 错误:Client does not support authentication protocol requested by server; consider upgrading MySQL client 解决方法: 1.打开cmd 2.输入 mysql -u…

刚刚安装热乎的navicat发现出现1251错误,原因不大清楚,找到一个解决办法: 将mysql的密码重新重置一遍: 1.打开命令行 ,进入mysql所在的目录,输入 mysql -uroot -p 输入密码进入mysql 2.更改加密方式: mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER;  3.清空密码: ALTER USER 'root'@'localhost' IDEN…

问题:navicat连接mysql时报错:1251-Client does not support authentication protocol requested by server; consider upgrading MySQL client 解决方法:打开mysql输入以下命名: use mysql: ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '你的密码'; FLUSH PRIVILE…

1.启动容器: [root@localhost ~]# docker run -d -e MYSQL_ROOT_PASSWORD=123456 -p 3306:3306 mysql2.进入容器: [root@localhost ~]# docker exec -it 容器id bash3.进入mysql: root@2288abcb04f3:/# mysql -uroot -p4.输入密码,进入到mysql界面: 5.对远程连接进行授权: mysql> GRANT ALL ON *.* TO '…

1.1 错误信息: Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 20,820,001 milliseconds ago. The last packet sent successfully to the server was 20,820,002 milliseconds ago. is l…

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.) at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1549) ~[tomcat-dbcp.…

安装了MySQL8.x.x后使用Navicat连接总是出现1251错误,故在此记录一下解决方法. 错误提示 1251-Client does not support authentication protocol requested by server; consider upgrading MySQL client 解决办法 1.直接修改 用管理员身份打开cmd,输入"mysql -u root -p [-h locahost -P 3306]"(中括号内是默认内容)回车输入root…

Navicat Premium连接MySQL 1251错误 MySQL Installer 8.0.17 ​ 出现上述错误的原因是版本MySQL 8.0.17即8.0开始的MySQL版本,因为采用新的保密方式,而Navicat Premium 所属使用的是旧版本的方式,所以旧的似乎不能用,我们可以通过修改MySQL 8.0以及以上版本的加密方式 ,这样的话,Navicat Premium客户端就可以连接了. 改密码方式如下: 打开mysql 客户端输入: 1.USE MYSQL:2.ALTER…