MYSQL报错:ERROR 1044 (42000): Access denied for user ‘‘@‘localhost‘ to database ‘mysql‘

1. close mysqlsystemctl stop mysqld.service

2. Block permissionsmysqld_safe --skip-grant-tables &

3. access mysqlmysql -u root

4. Delete empty usersdelete from user where user=''';

5. Refresh permissionsFLUSH PRIVILEGES;

6. Restart applicationsystemctl restart mysqld.service

7. Note: When performing SQL programming under Linux, you need to add a semicolon at the end ;, otherwise it will think that your operation is not completed and will appear even if you press Enter.->