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Rails Render Json 404

us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is rails render_404 a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How to redirect to a 404 in Rails? up vote 367 down vote favorite

Rails Route 404

159 I'd like to 'fake' a 404 page in Rails. In PHP, I would just send a header with the error code as such: header("HTTP/1.0 404 Not Found"); How is that done with Rails? ruby-on-rails http-status-code-404 share|improve this question edited Jul 8 '12 at 18:12 Andrew Marshall 63.9k12134153 asked Mar 5 '10 at 9:52 Yuval Karmi 9,6022697151 add a comment| 9 Answers 9 active oldest votes up vote 864 down rails raise activerecord recordnotfound vote accepted Don't render 404 yourself, there's no reason to; Rails has this functionality built in already. If you want to show a 404 page, create a render_404 method (or not_found as I called it) in ApplicationController like this: def not_found raise ActionController::RoutingError.new('Not Found') end Rails also handles AbstractController::ActionNotFound, and ActiveRecord::RecordNotFound the same way. This does two things better: 1) It uses Rails' built in rescue_from handler to render the 404 page, and 2) it interrupts the execution of your code, letting you do nice things like: user = User.find_by_email(params[:email]) or not_found user.do_something! without having to write ugly conditional statements. As a bonus, it's also super easy to handle in tests. For example, in an rspec integration test: # RSpec 1 lambda { visit '/something/you/want/to/404' }.should raise_error(ActionController::RoutingError) # RSpec 2+ expect { get '/something/you/want/to/404' }.to raise_error(ActionController::RoutingError) share|improve this answer edited Aug 31 '14 at 9:47 Bob Aman 25k84985 answered Feb 13 '11 at 9:09 Steven Soroka 13.2k23430 178 +1 for adding example test code! –bantic Aug 18 '11 at 16:47 3 There is a reason to do it yourself. If your application hijacks all of the routes from the root. It's bad design, but sometimes un-avoidable. –ablemike Oct 3 '11 at 13:54 6 This approach also

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Rails Not_found

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Rails Recordnotfound

Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million rails routes return 404 programmers, just like you, helping each other. Join them; it only takes a minute: Sign up ActiveRecord::RecordNotFound raises 404 instead of 500 up vote 1 down vote favorite 4 We had an action that was essentially http://stackoverflow.com/questions/2385799/how-to-redirect-to-a-404-in-rails failing silently in production because it was raising an ActiveRecord::RecordNotFound error, which Rails treats as a 404 error instead of a 500 error- meaning it wasn't being captured by our error logger. I don't like that Rails maps certain errors to 404s- I think it should be up to the developer to decide whether a URL is invalid, or whether the failure to retrieve an record is an application error. How do we ensure http://stackoverflow.com/questions/27925282/activerecordrecordnotfound-raises-404-instead-of-500 all Rails errors are treated as 500 errors? ruby-on-rails share|improve this question asked Jan 13 '15 at 15:11 Yarin 47.1k89269381 add a comment| 2 Answers 2 active oldest votes up vote 7 down vote accepted First off, if you can manually notify your error logger of the error, that would probably be the best thing to do. Making Rails return a different HTTP status code might break other parts of your application. However, if you absolutely must do so, you can instruct Rails not to return a 404 by removing the corresponding entry from the rescue responses hash. You could do this in an initializer: # config/initializers/rescue_responses_overrides.rb ActionDispatch::ExceptionWrapper.rescue_responses .delete('ActiveRecord::RecordNotFound') Now Rails will send a 500 status code to the browser whenever ActiveRecord::RecordNotFound is raised. You could also remove all entries in a single step: ActionDispatch::ExceptionWrapper.rescue_responses.clear To see which other errors Rails returns different status codes for, you can simply print the hash in the Rails console: pp ActionDispatch::ExceptionWrapper.rescue_responses share|improve this answer answered Jan 13 '15 at 16:03 fivedigit 11.4k42846 add a comment| up vote 7 down vote it was raising an ActiveRecord::RecordNotFound error, which Rails treats as a 404 error instead of a 500 error It's the right thing to do. Imagine a search crawler hitting your blog app and getting an error on your non-existing blog post

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of http://stackoverflow.com/questions/21654826/how-to-rescue-page-not-found-404-in-rails this site About Us Learn more about Stack Overflow the company Business Learn http://stackoverflow.com/questions/22748697/render-a-404-page-on-routing-error-in-rails more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up rails raise How to rescue page not found 404 in rails? up vote 10 down vote favorite How to rescue page not found if user add wrong url in rails. I hope to show 404 page present in public folder if the url is invalid. How to do that? I was browsing about it but could not find a solution. I tried many ways to rails raise error fix the problem, but they don't seem to be working. I am stuck here, please help. ruby-on-rails exception-handling share|improve this question edited Feb 9 '14 at 3:26 Peeyush 1,34521129 asked Feb 9 '14 at 3:19 tardjo 497724 add a comment| 2 Answers 2 active oldest votes up vote 13 down vote Solution for Rails 4 On routes.rb: get '*unmatched_route', to: 'application#not_found' On application_controller.rb: def not_found # Your exception handling code here end share|improve this answer answered Nov 15 '14 at 22:29 rebagliatte 473611 Thanks to your answer and this comment (stackoverflow.com/questions/19368799/…) I was able to make a "catch all Not Found errors". ^_^ –pdimitar Apr 20 '15 at 20:12 add a comment| up vote 5 down vote accepted i found the solution, check this out => http://techoctave.com/c7/posts/36-rails-3-0-rescue-from-routing-error-solution (great solution) routes.rb : # at the end of you routes.rb match '*a', :to => 'errors#routing', via: :get errors_controller.rb : class ErrorsController < ApplicationController def routing render_404 end end application.rb : rescue_from ActionController::RoutingError, :with => :render_404 private def render_404(exception = nil) if exception logger.info "Rendering 404: #{exception.message}" end render :file => "#{Rails.root}/public/404.html", :status => 404, :layout => false e

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up render a 404 page on routing error in rails up vote 1 down vote favorite I'm trying to render the integrated 404 page in rails as an exception. I tried this but still getting the routing error page: posts_controller.rb def destroy if current_user.username == @post.email @post.destroy respond_to do |format| format.html { redirect_to posts_url } format.json { head :no_content } end else not_found end application_controller.rb def not_found raise ActionController::RoutingError.new('Not Found') end routes.rb Booklist::Application.routes.draw do get "pages/faq" get "pages/about" devise_for :users resources :posts root 'posts#index' end view: <% if current_user.username == post.email %> This is your post! Feel free to edit or delete it. -> <%= link_to 'Edit', edit_post_path(post) %> <%= link_to 'Destroy', post, method: :delete, data: { confirm: 'Are you sure?' } %> <% end %> No route matches [GET] "/posts/15/destroy" ruby-on-rails ruby ruby-on-rails-4 rails-routing share|improve this question edited Mar 30 '14 at 20:54 asked Mar 30 '14 at 19:25 franklinexpress 347324 1 I see the problem now No route matches [GET] "/posts/15/destroy". Share the link code from the view which fires this action. Also, it would be handy if you share the routes.rb –Kirti Thorat♦ Mar 30 '14 at 20:37 Did you read the above comment. –Kirti Thorat♦ Mar 30 '14 at 20:43 yeah, I added routes.rb –franklinexpress Mar 30 '14 at 20:45 Thanks! But you forgot to add the link code from the view which fires this destroy action –Kirti Thorat♦ Mar 30 '14 at 20:48 oh I see, there is no link code, I'm trying to prevent users from typing posts/postname/destroy in the url bar, that's what i'm doing and I don't want to see the error, I want to see a different pag

 

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