navicat连接MySQL失败---出现Client does not support authentication protocol requested by s

navicat 连接 mysql 时 用户名密码 都正确报如下错误 Client does not support authentication protocol requested by server; consider upgrading MySQL client 解决方案： 进入mysql命令行窗口键入如下命令 USE mysql;  ALTER USER ‘root’@’localhost

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