# \`load\_missing\_constant': uninitialized constant Rails::Railt

**URL:** <https://www.ruby-forum.com/t/load-missing-constant-uninitialized-constant-rails-railt/192446>\
**Category:** Rails\
**Created:** [July 30, 2010, 12:47pm UTC](https://www.ruby-forum.com/t/load-missing-constant-uninitialized-constant-rails-railt/192446 "2010-07-30T12:47:40Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![amitjain](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/13edae/32.png) [@amitjain](https://www.ruby-forum.com/u/amitjain)\
**Post date:** [July 30, 2010, 12:47pm UTC](https://www.ruby-forum.com/t/load-missing-constant-uninitialized-constant-rails-railt/192446/1 "2010-07-30T12:47:40Z")

</div>

Hi All,

I run  
rake gems:install  
rake gems:unpack

If i add  
configure the rspec-rails gem in config/environment.rb:

```
             config.gem "rspec-rails", :version => ">= 1.3.2"

```

and then run server. I am getting this error:

/home/Amit/Myworkspace/MyApplication/config/…/vendor/rails/railties/lib/rails/gem\_dependency.rb:119:Warning:  
Gem::Dependency#version\_requirements is deprecated and will be removed  
on or after August 2010. Use #requirement  
/home/Amit/Myworkspace/MyApplication/vendor/rails/activesupport/lib/active\_support/dependencies.rb:440:in  
`load_missing_constant': uninitialized constant Rails::Railtie (NameError) from /home/Amit/Myworkspace/MyApplication/vendor/rails/activesupport/lib/active_support/dependencies.rb:80:in`const\_missing’  
from  
/home/Amit/Myworkspace/MyApplication/vendor/gems/rspec-rails-2.0.0.beta.19/lib/rspec-rails.rb:3  
from /usr/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:31:in  
`gem_original_require' from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in`require’  
from  
/home/Amit/Myworkspace/MyApplication/vendor/rails/activesupport/lib/active\_support/dependencies.rb:158:in  
`require' from /home/Amit/Myworkspace/MyApplication/config/../vendor/rails/railties/lib/rails/gem_dependency.rb:208:in`load’  
from  
/home/Amit/Myworkspace/MyApplication/config/…/vendor/rails/railties/lib/initializer.rb:307:in  
`load_gems' from /home/Amit/Myworkspace/MyApplication/config/../vendor/rails/railties/lib/initializer.rb:307:in`each’  
… 11 levels…  
from /usr/lib/ruby/gems/1.8/gems/rcov-0.9.8/bin/rcov:511:in `load' from /usr/lib/ruby/gems/1.8/gems/rcov-0.9.8/bin/rcov:511 from /usr/bin/rcov:19:in`load’  
from /usr/bin/rcov:19  
Please help me.

Thanks  
Amit Jain