Rake 0.9.0 'undefined method 'task' ' [duplicate]

Question

Gemfile only contains rails 3.0.7 and sqlite3, all of a sudden rake will not run on any apps.The error started when running 'rake db:migrate' Full trace output:

rake aborted!
undefined method `task' for #<NotWorking::Application:0x00000100ccc328>
/Users/codywright/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.0.7/lib/rails/application.rb:215:in `initialize_tasks'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.0.7/lib/rails/application.rb:139:in `load_tasks'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.0.7/lib/rails/application.rb:77:in `method_missing'
/Users/codywright/Code/Rails/not_working/Rakefile:7:in `<top (required)>'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.0/lib/rake/rake_module.rb:25:in `load'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.0/lib/rake/rake_module.rb:25:in `load_rakefile'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.0/lib/rake/application.rb:495:in `raw_load_rakefile'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.0/lib/rake/application.rb:78:in `block in load_rakefile'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.0/lib/rake/application.rb:129:in `standard_exception_handling'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.0/lib/rake/application.rb:77:in `load_rakefile'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.0/lib/rake/application.rb:61:in `block in run'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.0/lib/rake/application.rb:129:in `standard_exception_handling'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.0/lib/rake/application.rb:59:in `run'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.0/bin/rake:31:in `<top (required)>'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180/bin/rake:19:in `load'
/Users/codywright/.rvm/gems/ruby-1.9.2-p180/bin/rake:19:in `<main>'

Answer 1

I did: sudo gem uninstall rake -v 0.9 then added gem 'rake', '0.8.7' to my gem file.