Redmine

# bundle exec rake tmp:cache:clear tmp:sessions:clear
rake aborted!
Mysql2::Error: Access denied for user 'root'@'localhost' (using password: NO)
/var/lib/gems/1.9.1/gems/mysql2-0.3.17/lib/mysql2/client.rb:70:in `connect'
/var/lib/gems/1.9.1/gems/mysql2-0.3.17/lib/mysql2/client.rb:70:in `initialize
..
..
/var/lib/gems/1.9.1/gems/railties-3.2.21/lib/rails/railtie/configurable.rb:30:in `method_missing'
/usr/local/lib/redmine/Rakefile:7:in `<top (required)>'
(See full trace by running task with --trace)

Redmine works well after apache restart but only for first look. There is no datepicker, Notes preview or Description editing.
When I tried downgrade I met with this defect #18779