rake aborted problem

Discussion in 'Ruby' started by Eric Yin, Aug 23, 2008.

  1. Eric Yin

    Eric Yin Guest

    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
     
    Eric Yin, Aug 23, 2008
    #1
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