gistfile1.txt

def create
  ...
  ## Using @comment.post and @comment.post.id both error out
  eager_cache([Posts, :show], :store => :action_store)  { self.class.build_request(url(:post, @comment.post)) } 
  eager_cache([Posts, :show], :store => :action_store)  { self.class.build_request(url(:post, @comment.post.id)) } 

  ...
end

.... Enter comment into SQL ....
merb : worker (port 4000) ~ Params: {}
merb : worker (port 4000) ~ 

merb : worker (port 4000) ~ Worker Thread Crashed with Exception:
Merb::ControllerExceptions::BadRequest - (Merb::ControllerExceptions::BadRequest)