From: Aaron Patterson Date: 2010-04-22T07:52:08+09:00 Subject: [ruby-core:29711] [Bug #3184] Unable to validates_presence_of if collection_select in form. Issue #3184 has been updated by Aaron Patterson. I think you want the rails ticket tracker: http://rails.lighthouseapp.com/ ---------------------------------------- http://redmine.ruby-lang.org/issues/show/3184 ---------------------------------------- http://redmine.ruby-lang.org