rails console (`require': cannot load such file)

Question

i am having problems with rails console, that send's me this error's

/usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `require': cannot load such file -- readline (LoadError)
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `block in require'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:232:in `load_dependency'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `require'
from /usr/local/lib/ruby/2.1.0/irb/completion.rb:9:in `<top (required)>'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `require'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `block in require'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:232:in `load_dependency'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `require'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.1.8/lib/rails/commands/console.rb:3:in `<top (required)>'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `require'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `block in require'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:232:in `load_dependency'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `require'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.1.8/lib/rails/commands/commands_tasks.rb:128:in `require_command!'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.1.8/lib/rails/commands/commands_tasks.rb:59:in `console'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.1.8/lib/rails/commands/commands_tasks.rb:40:in `run_command!'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.1.8/lib/rails/commands.rb:17:in `<top (required)>'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `require'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `block in require'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:232:in `load_dependency'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `require'
from /home/xploshioon/rails/mini_twitter/bin/rails:8:in `<top (required)>'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:241:in `load'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:241:in `block in load'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:232:in `load_dependency'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:241:in `load'
from /usr/local/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/local/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'

and i haved problems like that with other aplication but solved creating the app again. but now i have some code so i don't want to create this again.

anyone know what is the problem here?

i have linux mint 17 ruby 2.1.4p265 (2014-10-27 revision 48166) [i686-linux] Rails 4.1.8

Answer 1

Start with adding this to your Gemfile:

gem 'rb-readline'

Followed by:

bundle install

If this does not solve the issue, follow this:

Install readline:

sudo apt-get install libreadline-dev

remove and re-install ruby

rvm remove 2.1.4    
rvm install 2.1.4

finally

bundle install