undefined method `name' for "actionmailer":String

[grubino]

I don't know ruby or rake or rails very well... I was hoping that I'd just set this up and it would work. Here's the full trace:

undefined method name' for "actionmailer":String /home/greg/code/oauth-dancer/vendor/rails/railties/lib/rails/gem_dependency.rb:268:in=='
/usr/lib/ruby/1.9.1/rubygems/dependency.rb:217:in ===' /usr/lib/ruby/1.9.1/rubygems/dependency.rb:217:inblock in matching_specs'
/usr/lib/ruby/1.9.1/rubygems/specification.rb:411:in block in each' /usr/lib/ruby/1.9.1/rubygems/specification.rb:410:ineach'
/usr/lib/ruby/1.9.1/rubygems/specification.rb:410:in each' /usr/lib/ruby/1.9.1/rubygems/dependency.rb:216:infind_all'
/usr/lib/ruby/1.9.1/rubygems/dependency.rb:216:in matching_specs' /usr/lib/ruby/1.9.1/rubygems/dependency.rb:238:into_specs'
/usr/lib/ruby/1.9.1/rubygems/dependency.rb:256:in to_spec' /usr/lib/ruby/1.9.1/rubygems.rb:1231:ingem'
/home/greg/code/oauth-dancer/vendor/rails/railties/lib/rails/gem_dependency.rb:73:in add_load_paths' /home/greg/code/oauth-dancer/vendor/rails/railties/lib/initializer.rb:301:inblock in add_gem_load_paths'
/home/greg/code/oauth-dancer/vendor/rails/railties/lib/initializer.rb:301:in each' /home/greg/code/oauth-dancer/vendor/rails/railties/lib/initializer.rb:301:inadd_gem_load_paths'
/home/greg/code/oauth-dancer/vendor/rails/railties/lib/initializer.rb:132:in process' /home/greg/code/oauth-dancer/vendor/rails/railties/lib/initializer.rb:113:inrun'
/home/greg/code/oauth-dancer/config/environment.rb:9:in <top (required)>' /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:inrequire'
/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in require' /home/greg/code/oauth-dancer/vendor/rails/activesupport/lib/active_support/dependencies.rb:156:inblock in require'
/home/greg/code/oauth-dancer/vendor/rails/activesupport/lib/active_support/dependencies.rb:521:in new_constants_in' /home/greg/code/oauth-dancer/vendor/rails/activesupport/lib/active_support/dependencies.rb:156:inrequire'
/home/greg/code/oauth-dancer/vendor/rails/railties/lib/tasks/misc.rake:4:in block in <top (required)>' /usr/lib/ruby/vendor_ruby/rake/task.rb:205:incall'
/usr/lib/ruby/vendor_ruby/rake/task.rb:205:in block in execute' /usr/lib/ruby/vendor_ruby/rake/task.rb:200:ineach'
/usr/lib/ruby/vendor_ruby/rake/task.rb:200:in execute' /usr/lib/ruby/vendor_ruby/rake/task.rb:158:inblock in invoke_with_call_chain'
/usr/lib/ruby/1.9.1/monitor.rb:211:in mon_synchronize' /usr/lib/ruby/vendor_ruby/rake/task.rb:151:ininvoke_with_call_chain'
/usr/lib/ruby/vendor_ruby/rake/task.rb:176:in block in invoke_prerequisites' /usr/lib/ruby/vendor_ruby/rake/task.rb:174:ineach'
/usr/lib/ruby/vendor_ruby/rake/task.rb:174:in invoke_prerequisites' /usr/lib/ruby/vendor_ruby/rake/task.rb:157:inblock in invoke_with_call_chain'
/usr/lib/ruby/1.9.1/monitor.rb:211:in mon_synchronize' /usr/lib/ruby/vendor_ruby/rake/task.rb:151:ininvoke_with_call_chain'
/usr/lib/ruby/vendor_ruby/rake/task.rb:144:in invoke' /usr/lib/ruby/vendor_ruby/rake/application.rb:116:ininvoke_task'
/usr/lib/ruby/vendor_ruby/rake/application.rb:94:in block (2 levels) in top_level' /usr/lib/ruby/vendor_ruby/rake/application.rb:94:ineach'
/usr/lib/ruby/vendor_ruby/rake/application.rb:94:in block in top_level' /usr/lib/ruby/vendor_ruby/rake/application.rb:133:instandard_exception_handling'
/usr/lib/ruby/vendor_ruby/rake/application.rb:88:in top_level' /usr/lib/ruby/vendor_ruby/rake/application.rb:66:inblock in run'
/usr/lib/ruby/vendor_ruby/rake/application.rb:133:in standard_exception_handling' /usr/lib/ruby/vendor_ruby/rake/application.rb:63:inrun'
/usr/bin/rake:27:in `

'
Tasks: TOP => db:migrate => environment

I hope you can help!

[wellington1993]

Try:

  gem install rubygems-update -v 1.3.5
  update_rubygems --version=1.3.5

http://stackoverflow.com/questions/11028804/undefined-method-name-for-actionmailerstring