# Server not starting with ruby 1.9.1 **URL:** \ **Category:** Rails\ **Created:** [September 3, 2009, 11:38am UTC](https://www.ruby-forum.com/t/server-not-starting-with-ruby-1-9-1/174874 "2009-09-03T11:38:11Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![abhishek](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7ba0ec/32.png) [@abhishek](https://www.ruby-forum.com/u/abhishek)\ **Post date:** [September 3, 2009, 11:38am UTC](https://www.ruby-forum.com/t/server-not-starting-with-ruby-1-9-1/174874/1 "2009-09-03T11:38:11Z")
i had ruby 1.8.7 in my system.(Ubuntu 9.04) Rails version is 2.1.0 now i have installed ruby 1.9.1p129 side by side with 1.8.7 $ ruby -v ruby 1.9.1p129 (2009-05-12 revision 23412) [i686-linux] nd i,ve also done the following: $ sudo gem install rails now $ gem list \*\*\* LOCAL GEMS \*\*\* actionmailer (2.3.3) actionpack (2.3.3) activerecord (2.3.3) activeresource (2.3.3) activesupport (2.3.3) rack (1.0.0) rails (2.3.3) rake (0.8.7) now i’m not able to start server for the application which i had developed using ruby 1.8.7 …i.e. now when i do ‘ruby script/server’ following error comes:- /home/abhi/Rails\_Projects/Blog/vendor/rails/activesupport/lib/active\_support/vendor.rb:33:in `require': no such file to load -- builder (LoadError) from /home/abhi/Rails_Projects/Blog/vendor/rails/activesupport/lib/active_support/vendor.rb:33:in`rescue in \’ from /home/abhi/Rails\_Projects/Blog/vendor/rails/activesupport/lib/active\_support/vendor.rb:2:in `' from /home/abhi/Rails_Projects/Blog/vendor/rails/activesupport/lib/active_support.rb:26:in`require’ from /home/abhi/Rails\_Projects/Blog/vendor/rails/activesupport/lib/active\_support.rb:26:in `' from /home/abhi/Rails_Projects/Blog/vendor/rails/railties/lib/commands/server.rb:1:in`require’ and on doing $ ruby script/console i got: Loading development environment (Rails 2.1.0) /opt/ruby1.9/lib/ruby1.9/1.9.1/irb/completion.rb:9:in `require':LoadError: no such file to load -- readline /home/abhi/Rails_Projects/Blog/vendor/rails/railties/lib/initializer.rb:225:in`rescue in require\_frameworks’: no such file to load – builder (RuntimeError) from /home/abhi/Rails\_Projects/Blog/vendor/rails/railties/lib/initializer.rb:222:in `require_frameworks' from /home/abhi/Rails_Projects/Blog/vendor/rails/railties/lib/initializer.rb:113:in`process’ from /home/abhi/Rails\_Projects/Blog/vendor/rails/railties/lib/initializer.rb:93:in `run' from /home/abhi/Rails_Projects/Blog/config/environment.rb:13:in`\’ from /opt/ruby1.9/lib/ruby1.9/1.9.1/irb/init.rb:262:in `require' from /opt/ruby1.9/lib/ruby1.9/1.9.1/irb/init.rb:262:in`block in load\_modules’ from /opt/ruby1.9/lib/ruby1.9/1.9.1/irb/init.rb:260:in `each' from /opt/ruby1.9/lib/ruby1.9/1.9.1/irb/init.rb:260:in`load\_modules’ from /opt/ruby1.9/lib/ruby1.9/1.9.1/irb/init.rb:20:in `setup' from /opt/ruby1.9/lib/ruby1.9/1.9.1/irb.rb:53:in`start’ from /usr/local/bin/irb:12:in `’ from /home/abhi/Rails\_Projects/Blog/vendor/rails/railties/lib/commands/server.rb:1:in `' from script/server:3:in`require’ from script/server:3:in `’ ---
**Author:** ![abhishek](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7ba0ec/32.png) [@abhishek](https://www.ruby-forum.com/u/abhishek)\ **Post date:** [September 3, 2009, 12:25pm UTC](https://www.ruby-forum.com/t/server-not-starting-with-ruby-1-9-1/174874/2 "2009-09-03T12:25:57Z")
On Sep 3, 10:38 am, Abhishek S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > following error comes:- > /home/abhi/Rails\_Projects/Blog/vendor/rails/activesupport/lib/active\_suppor t/vendor.rb:33:in > `require’: no such file to load – builder (LoadError) Sounds like you’ve got some missing gems (your ruby 1.9 and ruby 1.8 installations will put their gems in separate places) Fred > from ---
**Author:** ![abhishek](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7ba0ec/32.png) [@abhishek](https://www.ruby-forum.com/u/abhishek)\ **Post date:** [September 3, 2009, 1:13pm UTC](https://www.ruby-forum.com/t/server-not-starting-with-ruby-1-9-1/174874/3 "2009-09-03T13:13:22Z")
Did you migrate your application to Rails 2.3.3? On Sep 3, 5:38 am, Abhishek S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) ---
**Author:** ![abhishek](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7ba0ec/32.png) [@abhishek](https://www.ruby-forum.com/u/abhishek)\ **Post date:** [September 3, 2009, 1:55pm UTC](https://www.ruby-forum.com/t/server-not-starting-with-ruby-1-9-1/174874/4 "2009-09-03T13:55:24Z")
Rick Lloyd wrote: > Did you migrate your application to Rails 2.3.3? > > On Sep 3, 5:38�am, Abhishek S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) how to migrate my application to rails 2.3.3 when i do script/console it still shows : Loading development environment (Rails 2.1.0) and then error. while when i created new project now then it is using rails 2.3.3 but old one is still using rails 2.1.0??? -abhishek ---
**Author:** ![abhishek](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7ba0ec/32.png) [@abhishek](https://www.ruby-forum.com/u/abhishek)\ **Post date:** [September 3, 2009, 2:55pm UTC](https://www.ruby-forum.com/t/server-not-starting-with-ruby-1-9-1/174874/5 "2009-09-03T14:55:49Z")
2009/9/3 Abhishek S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid): > Rick Lloyd wrote: > > > Did you migrate your application to Rails 2.3.3? > > > > On Sep 3, 5:38�am, Abhishek S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) > > how to migrate my application to rails 2.3.3 See [http://wiki.rubyonrails.org/getting-started/upgrading](http://wiki.rubyonrails.org/getting-started/upgrading) Colin