Cannot create PoolableConnectionFactory (null, message from server: "Host 'admin-PC' is not allowed to connect to this MySQL server")
1、别人在用自己的tomcat访问我留的查询接口时,出现Cannot create PoolableConnectionFactory (null, message from server: "Host 'admin-PC' is not allowed to connect to this MySQL server")这个问题
解决办法:
mysql -u root -p mysql>use mysql; mysql>select 'host' from user where user='root'; mysql>update user set host = '%' where user ='root'; mysql>flush privileges; mysql>select 'host' from user where user='root'; 第一句是以权限用户root登录 第二句:选择mysql库 第三句:查看mysql库中的user表的host值(即可进行连接访问的主机/IP名称) 第四句:修改host值(以通配符%的内容增加主机/IP地址),当然也可以直接增加IP地址 第五句:刷新MySQL的系统权限相关表 第六句:再重新查看user表时,有修改。。 重启重启mysql!!!! 启动服务命令
net start mysql
关闭服务命令
net stop mysql
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