# Gem\_original\_require': no such file to load -- mime/types

**URL:** <https://www.ruby-forum.com/t/gem-original-require-no-such-file-to-load-mime-types/155864>\
**Category:** Rails\
**Created:** [December 17, 2008, 7:07pm UTC](https://www.ruby-forum.com/t/gem-original-require-no-such-file-to-load-mime-types/155864 "2008-12-17T19:07:08Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![stratboy](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/838e76/32.png) [@stratboy](https://www.ruby-forum.com/u/stratboy)\
**Post date:** [December 17, 2008, 7:07pm UTC](https://www.ruby-forum.com/t/gem-original-require-no-such-file-to-load-mime-types/155864/1 "2008-12-17T19:07:08Z")

</div>

the gems mime\_types and mini\_magick are installed.

When i try to launch my application, i receive this error:  
gem\_original\_require’: no such file to load – mime/types  
(MissingSourceFile)

from /usr/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:31:in  
`require' from /usr/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:153:in`require’  
from  
/usr/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active\_support/dependencies.rb:521:in  
`new_constants_in' from /usr/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:153:in`require’  
from  
/home/nerto/public\_html/nerto/vendor/plugins/attachment\_fu/lib/technoweenie/attachment\_fu.rb:1  
from  
/usr/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active\_support/dependencies.rb:382:in  
`load_without_new_constant_marking' from /usr/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:382:in`load\_file’  
from  
/usr/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active\_support/dependencies.rb:521:in  
`new_constants_in' from /usr/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:381:in`load\_file’  
from  
/usr/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active\_support/dependencies.rb:256:in  
`require_or_load' from /usr/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:427:in`load\_missing\_constant’  
from  
/usr/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active\_support/dependencies.rb:77:in  
`const_missing' from /home/nerto/public_html/nerto/vendor/plugins/attachment_fu/init.rb:12:in`evaluate\_init\_rb’  
from  
/usr/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/rails/plugin.rb:103:in  
`evaluate_init_rb' from /usr/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/core_ext/kernel/reporting.rb:11:in`silence\_warnings’  
from  
/usr/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/rails/plugin.rb:99:in  
`evaluate_init_rb' from /usr/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/rails/plugin.rb:44:in`load’  
from  
/usr/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/rails/plugin/loader.rb:33:in  
`load_plugins' from /usr/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/rails/plugin/loader.rb:32:in`each’  
from  
/usr/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/rails/plugin/loader.rb:32:in  
`load_plugins' from /usr/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/initializer.rb:323:in`load\_plugins’  
from  
/usr/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/initializer.rb:160:in  
`process' from /usr/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/initializer.rb:112:in`send’  
from  
/usr/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/initializer.rb:112:in `run' from /home/nerto/public_html/nerto/config/environment.rb:13 from /usr/lib/ruby/1.8/irb/init.rb:252:in`require’  
from /usr/lib/ruby/1.8/irb/init.rb:252:in `load_modules' from /usr/lib/ruby/1.8/irb/init.rb:250:in`each’  
from /usr/lib/ruby/1.8/irb/init.rb:250:in `load_modules' from /usr/lib/ruby/1.8/irb/init.rb:21:in`setup’  
from /usr/lib/ruby/1.8/irb.rb:54:in `start’  
from /usr/bin/irb:13

How can i resolve it?  
thanks

---

<div class="post-metadata">

**Author:** ![stratboy](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/838e76/32.png) [@stratboy](https://www.ruby-forum.com/u/stratboy)\
**Post date:** [December 17, 2008, 7:16pm UTC](https://www.ruby-forum.com/t/gem-original-require-no-such-file-to-load-mime-types/155864/2 "2008-12-17T19:16:54Z")

</div>

I think you need to add :lib =\> “mime/types” to your config.gem  
statement.

Daniel

On Dec 17, 1:07 pm, Luca R. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)