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PORake Aborted: Wrong number of arguments (0 for 1)
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copied!<p>I was trying to integrate twitter authentication into my Ruby on Rails application (from the Ruby on Rails Tutorial).</p> <p>As a result I dropped a table (user table ) and had to recreate it. I want to now populate the database and I have this code for populating the table</p> <pre><code>namespace :db do desc "Fill database with sample data" task populate: :environment do User.create!(name: "Example User", email: "example@railstutorial.org", password: "foobar", password_confirmation: "foobar") 99.times do |n| name = Faker::Name.name email = "example-#{n+1}@railstutorial.org" password = "password" User.create!(name: name, email: email, password: password, password_confirmation: password) end end end </code></pre> <p>The following commands work:</p> <pre><code>$bundle exec rake:db migrate $bundle exec rake:db reset </code></pre> <p>However the $bundle exec rake:db populate does NOT work.</p> <p>There are the errors I am getting:</p> <pre><code> $ bundle exec rake db:populate --trace ** Invoke db:populate (first_time) ** Invoke environment (first_time) ** Execute environment ** Execute db:populate rake aborted! wrong number of arguments (0 for 1) c:/Ruby193/lib/ruby/gems/1.9.1/gems/devise-2.0.4/lib/devise/models/database_auth enticatable.rb:105:in `password_digest' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activemodel-3.2.0/lib/active_model/errors.rb :254:in `block in add_on_blank' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activemodel-3.2.0/lib/active_model/errors.rb :253:in `each' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activemodel-3.2.0/lib/active_model/errors.rb :253:in `add_on_blank' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activemodel-3.2.0/lib/active_model/validatio ns/presence.rb:9:in `validate' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.0/lib/active_support/callb acks.rb:310:in `_callback_before_39' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.0/lib/active_support/callb acks.rb:484:in `_run__584816360__validate__204154762__callbacks' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.0/lib/active_support/callb acks.rb:405:in `__run_callback' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.0/lib/active_support/callb acks.rb:385:in `_run_validate_callbacks' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.0/lib/active_support/callb acks.rb:81:in `run_callbacks' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activemodel-3.2.0/lib/active_model/validatio ns.rb:212:in `run_validations!' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activemodel-3.2.0/lib/active_model/validatio ns/callbacks.rb:53:in `block in run_validations!' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.0/lib/active_support/callb acks.rb:425:in `_run__584816360__validation__204154762__callbacks' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.0/lib/active_support/callb acks.rb:405:in `__run_callback' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.0/lib/active_support/callb acks.rb:385:in `_run_validation_callbacks' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.2.0/lib/active_support/callb acks.rb:81:in `run_callbacks' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activemodel-3.2.0/lib/active_model/validatio ns/callbacks.rb:53:in `run_validations!' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activemodel-3.2.0/lib/active_model/validatio ns.rb:179:in `valid?' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/validat ions.rb:69:in `valid?' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/validat ions.rb:77:in `perform_validations' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/validat ions.rb:56:in `save!' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/attribu te_methods/dirty.rb:33:in `save!' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/transac tions.rb:246:in `block in save!' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/transac tions.rb:295:in `block in with_transaction_returning_status' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/connect ion_adapters/abstract/database_statements.rb:190:in `transaction' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/transac tions.rb:208:in `transaction' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/transac tions.rb:293:in `with_transaction_returning_status' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/transac tions.rb:246:in `save!' c:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/validat ions.rb:41:in `create!' c:/tuffy/shopgodt/lib/tasks/sample_data.rake:4:in `block (2 levels) in <top (req uired)>' c:/Ruby193/lib/ruby/1.9.1/rake/task.rb:205:in `call' c:/Ruby193/lib/ruby/1.9.1/rake/task.rb:205:in `block in execute' c:/Ruby193/lib/ruby/1.9.1/rake/task.rb:200:in `each' c:/Ruby193/lib/ruby/1.9.1/rake/task.rb:200:in `execute' c:/Ruby193/lib/ruby/1.9.1/rake/task.rb:158:in `block in invoke_with_call_chain' c:/Ruby193/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize' c:/Ruby193/lib/ruby/1.9.1/rake/task.rb:151:in `invoke_with_call_chain' c:/Ruby193/lib/ruby/1.9.1/rake/task.rb:144:in `invoke' c:/Ruby193/lib/ruby/1.9.1/rake/application.rb:116:in `invoke_task' c:/Ruby193/lib/ruby/1.9.1/rake/application.rb:94:in `block (2 levels) in top_lev el' c:/Ruby193/lib/ruby/1.9.1/rake/application.rb:94:in `each' c:/Ruby193/lib/ruby/1.9.1/rake/application.rb:94:in `block in top_level' c:/Ruby193/lib/ruby/1.9.1/rake/application.rb:133:in `standard_exception_handlin g' c:/Ruby193/lib/ruby/1.9.1/rake/application.rb:88:in `top_level' c:/Ruby193/lib/ruby/1.9.1/rake/application.rb:66:in `block in run' c:/Ruby193/lib/ruby/1.9.1/rake/application.rb:133:in `standard_exception_handlin g' c:/Ruby193/lib/ruby/1.9.1/rake/application.rb:63:in `run' c:/Ruby193/bin/rake:32:in `<main>' Tasks: TOP => db:populate </code></pre> <p>Any help on this matter is appreciated. Thanks again!</p> <p>============================================================</p> <p>Update 05/02/2012: Since I had wanted to add third party logins (facebook,twitter) I added the Devise gem but I am not sure which command I ran that resulted in these these two lines that were added to my app/models/User.rb file </p> <pre><code>:token_authenticatable, :encryptable, :confirmable, :lockable, :timeoutable and :omniauthable devise :database_authenticatable, :registerable, :recoverable, :rememberable, :trackable, :validatable </code></pre> <p>Once I commented them out everything ran fine. I would like to understand though what these two lines are doing?</p>

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