Mysql2::Error::ConnectionError: Access denied for user 'root@'localhos' <using password: NO>

[kingkins]

I got error message :[Mysql2::Error::ConnectionError: Access denied for user 'root@'localhos' ]
when installing.

How to solve it?
Thanks~

[kingkins]

I try to set up new redmine by Bitnami 4.1.1-5 .
The error message still occurred.
I try to cancel password of root but can't solve it.

[kingkins]

I solved it