/redmine$ ruby script/server -e production
=> Booting WEBrick
=> Rails 2.3.5 application starting on http://0.0.0.0:3000
/home/siya/.rvm/gems/ruby-1.8.7-p330/gems/rails-2.3.5/lib/rails/gem_dependency.rb:119:Warning: Gem::Dependency#version_requirements is deprecated and will be removed on or after August 2010. Use #requirement
/home/siya/.rvm/gems/ruby-1.8.7-p330/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:589:in real_connect': Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) (Mysql::Error)
from /home/siya/.rvm/gems/ruby-1.8.7-p330/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:589:inconnect'
This issue occur's when I restart my application. In fact yesterday it was running fine. But today I tried a lot and searched the web, but could not get success.
After googling, I got one command to update the system ie sudo gem update --system
Now new error occurs:
/home/siya/.rvm/gems/ruby-1.8.7-p330/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:55: uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
from /home/siya/.rvm/rubies/ruby-1.8.7-p330/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
Some-time, In resolving such type of issues. We again raise any other conflict.
So best part is that,just take the bakcup of application folder and public folder. Re-install the whole rails and ruby.
Because after investing whole day to resolve this issue. I followed this procedure. Please do not waste time.