search for: validate_unique

...I created a simple db class named user by using the below command -> ruby script/generate model user so in db/migrate I got a file named 20090421211825_create_users.rb created. and in app/models : user.rb got created. in user.rb.. i have written like this class User < ActiveRecord::Base validate_uniqueness :userid validate_presence_of :username end in 20090421211825_create_users.rb, its like this class CreateUsers < ActiveRecord::Migration def self.up create_table :users do |t| t.integer :userid t.string :username, :limit => 32 t.timestamps end end def s...

...7/lib/rake.rb:2068:in `standard_exception_handling'' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run'' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/bin/rake:31 /usr/bin/rake:19:in `load'' /usr/bin/rake:19 It turns out that it''s failing when it tries to do validate_unique on a text field. When I look into the rails code that''s throwing the error it''s coming up because it can''t find Encoding::UTF_8. What''s more, if I skip db:seed and just start up the webserver I get a different error but it comes down to the exact same cause (can&...