`gem_original_require': no such file to load

Hi All,

I am getting such types of errors with rspec implementation.

$ rcov user_spec.rb
config.gem: Unpacked gem CVS in vendor/gems has no specification file.
Run ‘rake gems:refresh_specs’ to fix this.
config.gem: Unpacked gem CVS in vendor/gems not in a versioned
directory. Giving up.
config.gem: Unpacked gem rmagick-2.13.1 in vendor/gems has no
specification file. Run ‘rake gems:refresh_specs’ to fix this.
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
gem_original_require': no such file to load -- application (MissingSourceFile) from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire’
from
/home/Amit/Myworkspace/MyApplication/vendor/rails/activesupport/lib/active_support/dependencies.rb:158:in
require' from /home/Amit/Myworkspace/MyApplication/vendor/plugins/rspec_on_rails/lib/spec/rails.rb:3 from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:ingem_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:inrequire’
from ./…/spec_helper.rb:6
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:inrequire’
from ./user_spec.rb:1
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:inload’
from /usr/bin/rcov:19

Please help me how can i resolved it.

Thanks
Amit Jain