Forum: JRuby Css,java script and images are not loaded in development environment

I'm getting the below error when i try to run the existing project in
aptana, in the browser all the css,js and images are disabled.
Kindly let me know how to resolve the issue.
ActionController::RoutingError (No route matches
"/stylesheets/application.css" with {:method=>:get}):


Rendering rescues/layout (not_found)

ActionController::RoutingError (No route matches
"/javascripts/prototype.js" with {:method=>:get}):


Rendering rescues/layout (not_found)