Installing Rails 3.0.3 on mac OSX

Question

I'm trying to get Rails 3.0.x installed on my machine. The first time i tried it, it gave me the following error: cant find lib . So i found the rails3.0.3 gem folder and made the lib folder. I can install the gem correctly but when i type the following command rails -v It throws the following error.

Daniel-MacBook-Pro:~ Daniel$ sudo gem install rails Password: Successfully installed rails-3.0.3 1 gem installed Installing ri documentation for rails-3.0.3... Installing RDoc documentation for rails-3.0.3... Daniel-MacBook-Pro:~ Daniel$ rails -v /Library/Ruby/Site/1.8/rubygems.rb:233:in `activate': can't activate i18n (~> 0.4.1, runtime) for ["mail-2.2.9", "actionmailer-3.0.3", "rails-3.0.3"], already activated i18n-0.5.0beta3 for ["activemodel-3.0.3", "actionpack-3.0.3", "rails-3.0.3"] (Gem::LoadError) from /Library/Ruby/Site/1.8/rubygems.rb:249:in `activate' from /Library/Ruby/Site/1.8/rubygems.rb:248:in `each' from /Library/Ruby/Site/1.8/rubygems.rb:248:in `activate' from /Library/Ruby/Site/1.8/rubygems.rb:249:in `activate' from /Library/Ruby/Site/1.8/rubygems.rb:248:in `each' from /Library/Ruby/Site/1.8/rubygems.rb:248:in `activate' from /Library/Ruby/Site/1.8/rubygems.rb:249:in `activate' from /Library/Ruby/Site/1.8/rubygems.rb:248:in `each' from /Library/Ruby/Site/1.8/rubygems.rb:248:in `activate' from /Library/Ruby/Site/1.8/rubygems.rb:1082:in `gem' from /usr/bin/rails:18 Daniel--MacBook-Pro:~ Daniel$

How can i fix this problem?

Thanks

mpapis · Accepted Answer · 2013-01-08 04:20:11Z

4

I would recommend using RVM and stop installing gems with sudo!

edited Jan 8, 2013 at 4:20

mpapis

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answered Jan 7, 2011 at 14:03

phoet

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2 Comments

Daniël Zwijnenburg Over a year ago

Why should i/we stop installing gems with sudo?

Nerian Over a year ago

RVM allows you to install gems as per project basis and have multiple ruby version installed.

Community · Accepted Answer · 2017-05-23 10:33:08Z

1

probably you do not have rdoc installed. It does not hamper any functionality during development. If if you do want you can try this

 sudo gem install rdoc

see details here problem in installing rails

edited May 23, 2017 at 10:33

CommunityBot

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answered Jan 7, 2011 at 14:00

Nishant

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2 Comments

Daniël Zwijnenburg Over a year ago

This throws up a new error: Successfully installed rails-3.0.3 1 gem installed Installing ri documentation for rails-3.0.3... ERROR: While executing gem ... (NoMethodError) undefined method `coverage_level=' for nil:NilClass Daniel--MacBook-Pro:~ Daniel$

Nishant Over a year ago

you may want to start over -- as mentioned in the link provided. I have tried the same in Ubuntu and got it working.

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