# Rake aborted problem **URL:** \ **Category:** Ruby\ **Created:** [August 23, 2008, 8:04am UTC](https://www.ruby-forum.com/t/rake-aborted-problem/146630 "2008-08-23T08:04:06Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![eric2323223](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/e/7c8e57/32.png) [@eric2323223](https://www.ruby-forum.com/u/eric2323223)\ **Post date:** [August 23, 2008, 8:04am UTC](https://www.ruby-forum.com/t/rake-aborted-problem/146630/1 "2008-08-23T08:04:06Z")
I am new to rails and when I am follow one the rails guide to create a simple application. I got this error. E:\RoRLab\toolset\>rake db:migrate --trace (in /cygdrive/e/RoRLab/toolset) \*\* Invoke db:migrate (first\_time) \*\* Invoke environment (first\_time) \*\* Execute environment rake aborted! development database is not configured /usr/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active\_record/connection\_adapters/abstract/connection\_specification.r b:217:in `establish_connection' /usr/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/connection_specification.r b:208:in`establish\_connection’ /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:234:in `initialize_database' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:94:in`process’ /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:49:in `send' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:49:in`run’ /cygdrive/e/RoRLab/toolset/config/environment.rb:13 /usr/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:27:in `gem_original_require' /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in`require’ /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/tasks/misc.rake:3 /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:546:in `call' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:546:in`execute’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:541:in `each' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:541:in`execute’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:508:in `invoke_with_call_chain' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:501:in`synchronize’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:501:in `invoke_with_call_chain' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:518:in`invoke\_prerequisites’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1183:in `each' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1183:in`send’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1183:in `each' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:515:in`invoke\_prerequisites’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:507:in `invoke_with_call_chain' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:501:in`synchronize’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:501:in `invoke_with_call_chain' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:494:in`invoke’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1931:in `invoke_task' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1909:in`top\_level’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1909:in `each' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1909:in`top\_level’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1948:in `standard_exception_handling' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1903:in`top\_level’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1881:in `run' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1948:in`standard\_exception\_handling’ /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1878:in `run' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/bin/rake:31 C:/cygwin/bin/rake:19:in`load’ C:/cygwin/bin/rake:19 I am using mysql as DB ,and I have only one migration file, as blow: class CreateResources \< ActiveRecord::Migration def self.up create\_table :resources do |t| t.string :link t.string :name t.text :comment ``` t.timestamps end ``` end def self.down drop\_table :resources end end