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Asked: 2026-05-17T14:49:08+00:00

I’m trying to install a rails server for my application. I’m using ubuntu 10.04

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I’m trying to install a rails server for my application. I’m using ubuntu 10.04 TLS with apache2 as web server. I made some search on google but I do not found something that help me. When I tried to connect on my application I have following error:

The application has exited during startup (i.e. during the evaluation of config/environment.rb). The error message can be found below. To solve this problem, please follow any instructions in the error message.

Error message:
Missing the Rails 2.3.5 gem. Please gem install -v=2.3.5 rails, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.

So I do not understand since rails is installed: 

          desktop:/etc/apache2$ rails -v
          Rails 2.3.5

gem list:

      gem list

      *** LOCAL GEMS ***

      abstract (1.0.0)
      actionmailer (2.3.5)
      actionpack (2.3.5)
      activerecord (2.3.5)
      activeresource (2.3.5)
      activesupport (2.3.5)
      arel (1.0.1)
      builder (2.1.2)
      bundler (1.0.0)
      cgi_multipart_eof_fix (2.5.0)
      daemon_controller (0.2.5)
      daemons (1.1.0)
      erubis (2.6.6)
      fastthread (1.0.7)
      file-tail (1.0.5)
      gem_plugin (0.2.3)
      i18n (0.4.1)
      linecache (0.43)
      mail (2.2.5)
      mime-types (1.16)
      mongrel (1.1.5)
      needle (1.3.0)
      net-ssh (1.1.4)
      passenger (2.2.15)
      polyglot (0.3.1)
      rack (1.0.1)
      rack-mount (0.6.13)
      rack-test (0.5.4)
      rails (2.3.5)
      rake (0.8.7)
      ruby-debug-base (0.10.3)
      ruby-debug-ide (0.4.5)
      rubyzip (0.9.4)
      spruz (0.1.5)
      sqlite3-ruby (1.3.1)
       thor (0.14.0)
      treetop (1.4.8)
      tzinfo (0.3.23)

MORE INFO: I’m developping on windows and my server is a Linux maybe the problem is there. I don’t know. anyway thanks in advance for help.

Even if I’m root user I cannot open console:

   root@et1-desktop:/home/et1/wip3/sophia/script# ./console
   Loading development environment (Rails 2.3.5)
   sh: irb: not found


gem environment
RubyGems Environment:
 - RUBYGEMS VERSION: 1.3.7
 - RUBY VERSION: 1.8.7 (2010-01-10 patchlevel 249) [x86_64-linux]
 - INSTALLATION DIRECTORY: /usr/lib/ruby/gems/1.8
 - RUBY EXECUTABLE: /usr/bin/ruby1.8
 - EXECUTABLE DIRECTORY: /usr/bin
 - RUBYGEMS PLATFORMS:
 - ruby
 - x86_64-linux
 - GEM PATHS:
    - /usr/lib/ruby/gems/1.8
    - /home/et1/.gem/ruby/1.8
  - GEM CONFIGURATION:
    - :update_sources => true
    - :verbose => true
    - :benchmark => false
    - :backtrace => false
    - :bulk_threshold => 1000
    - :sources => ["http://gems.rubyforge.org/", "http://gems.rubyforge.org"]
 - REMOTE SOURCES:
    - http://gems.rubyforge.org/
    - http://gems.rubyforge.org
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1 Answer

  1. Editorial Team

    I also saw this problem when there are multiple ruby version in the system that are refering to different gem repositories. If this is the case, these commands should help debugging:

       which ruby

   which gem

    and from docs rubygem]1

       gem environment
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