Downgard rubygem version to start ruby application

Hello Guys,
When i start my rails 2.3.11 application using rubygem version 2.2.02 then it fails. So i’ve downgrade it.

=> Rails 2.3.11 application starting on http://0.0.0.0:3000
config.load_paths is deprecated and removed in Rails 3, please use autoload_paths instead
config.load_paths= is deprecated and removed in Rails 3, please use autoload_paths= instead
/Users/priyanka/.rvm/gems/ruby-1.9.2-p320@planet/gems/rails-2.3.11/lib/rails/gem_dependency.rb:21:in `add_frozen_gem_path’: undefined method `source_index’ for Gem:Module (NoMethodError)
from /Users/priyanka/.rvm/gems/ruby-1.9.2-p320@planet/gems/rails-2.3.11/lib/initializer.rb:298:in `add_gem_load_paths’
from /Users/priyanka/.rvm/gems/ruby-1.9.2-p320@planet/gems/rails-2.3.11/lib/initializer.rb:132:in `process’
from /Users/priyanka/.rvm/gems/ruby-1.9.2-p320@planet/gems/rails-2.3.11/lib/initializer.rb:113:in `run’
from /Users/priyanka/Repos/BitBucket/Planet/config/environment.rb:11:in `’
from /Users/priyanka/.rvm/gems/ruby-1.9.2-p320@planet/gems/activesupport-2.3.11/lib/active_support/dependencies.rb:182:in `require’
from /Users/priyanka/.rvm/gems/ruby-1.9.2-p320@planet/gems/activesupport-2.3.11/lib/active_support/dependencies.rb:182:in `block in require’
from /Users/priyanka/.rvm/gems/ruby-1.9.2-p320@planet/gems/activesupport-2.3.11/lib/active_support/dependencies.rb:547:in `new_constants_in’
from /Users/priyanka/.rvm/gems/ruby-1.9.2-p320@planet/gems/activesupport-2.3.11/lib/active_support/dependencies.rb:182:in `require’
from /Users/priyanka/.rvm/gems/ruby-1.9.2-p320@planet/gems/rails-2.3.11/lib/commands/server.rb:84:in `’
from script/server:3:in `require’
from script/server:3:in `’

Solution:

gem update –system 1.8.25

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