防火墙关闭后后台可以进得去就是无法登录,显示:系统错误:nested exception is org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Access denied for user 'root'@'127.0.0.1' (using password: YES) ### The error may exist in class path resource [mybatis/mapper/AdminUserMapper.xml] ### The error may involve com.pwi.iweb.admin.mapper.AdminUserMapper.getAdminUser ### The error occurred while executing a query ### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Access denied for user 'root'@'127.0.0.1' (using password: YES)