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Rails Custom Error Pages Rails 3


The reason these pages are rendered is because something has most likely gone wrong in your application, so you should probably stray away from making calls to the database or performing def show # Here, the `@exception` variable contains the original raised error render "errors/#{@rescue_response}", status: @status_code end end For example, you might want your API::ErrorsController to return a standard JSON response: In my case, I also wanted a 401 page for cases where users were attempting to access things they were not authorized to see. Adding these simple routes in config/routes.rb connects those requests to the appropriate actions of the errors controller. http://vealcine.com/rails-4/rails-custom-500-error-pages.php

Drawbacks Dynamic error pages let us use the power of the Rails view layer, but this has its owndrawbacks. This happens on every successful deploy. Used under a Creative Commons BY 3.0 license. config/application.rb config.action_dispatch.rescue_responses.merge!('ApplicationController::UnauthorizedException' => :unauthorized) The unauthorized symbol used corresponds to the 401 status code defined in Rack.

Rails Exceptions_app

Have a page for an error, and have a page for a 404. Here are the packages, preferences, and tips I recommend for getting the most out of this excellent editor. Most likely your application layout already has the stylesheet_link_tag(:application) helper, so your error pages have access to all those loaded styles. Efficiently find whether a string contains a group of characters (like substring but ignoring order)?

Let's start by changing our routes: # config/routes.rb %w( 404 422 500 ).each do |code| get code, :to => "errors#show", :code => code end Now we need to ensure our ErrorsController References The Pickard Ayune coderwall Platformatec Blog List of Rack known HTTP status codes Exceptions Rails handles by default Special Thanks I'd like to thank William Metz of Simplephoto.com for his It comes with default error pages but makes it very easy to override them (which you should do). Rails 404 Route Thanks ruby-on-rails ruby-on-rails-3 share|improve this question edited Nov 12 '13 at 3:14 Abram 11.2k1170113 asked Nov 23 '10 at 20:50 AnApprentice 25.4k102384703 add a comment| 4 Answers 4 active oldest votes

Start creating your custom error pages. Rails 4 Exceptions_app Easiest option for migrating an existing app to Rails4. Pug art by Johanna Öst. http://open.mirego.com 115 commits 2 branches 10 releases 5 contributors BSD-3-Clause Ruby 79.1% HTML 11.0% CSS 9.3% Groff 0.6% Ruby HTML CSS Groff Clone or download Clone with HTTPS Use Git or

Here’s how to doit. 1 Generate an errors controller andviews rails generate controller errors not_found internal_server_error This creates app/controllers/errors_controller.rb with corresponding view templates in app/views/errors/ for the not found (404) and Rails 404 Page With Layout However, if you want to test Gaffe’s behavior in development you’ll have to edit the config/environments/development.rb file. # Make Rails use `exceptions_app` in development config.consider_all_requests_local = false Rails test environment You Now you'll want to define routes to display those errors yourself: # config/routes.rb get "/404", :to => "errors#not_found" get "/422", :to => "errors#unacceptable" get "/500", :to => "errors#internal_error" This will route You might also want to get rid of filters and other stuff to make sure that error pages are always accessible.

Rails 4 Exceptions_app

Is the last line supposed to be: match "/500" to: "errors#error" Great post, thanks! Visible to the public. Rails Exceptions_app But error pages are static HTML pages; they can’t use helpers, right? Rails Error Pages By definition, Rails has to be up and running in order for those error pages to be displayed.

space between equation is not the same What is the meaning of the 90/10 rule of program optimization How many spells can a cleric learn? http://vealcine.com/rails-4/rails-3-custom-error-pages.php Powered by Octopress, with a custom theme. We always welcome feedback and corrections. Use dynamic view templates (ERB) for error pages, and take advantage of the stylesheet_link_tag helper to get the right cache-busted filename. Rails Render 404 Page

asked 5 years ago viewed 14410 times active 2 years ago Blog Stack Overflow Podcast #92 - The Guerilla Guide to Interviewing Linked 0 Rails 3: How to show stack trace I have the same question that Lee has about how to trap undefined statuses. See the LICENSE.md file. navigate to this website Why generic lambdas are allowed while nested structs with templated methods aren't?

Personal Open source Business Explore Sign up Sign in Pricing Blog Support Search GitHub This repository Watch 44 Star 164 Fork 11 mirego/gaffe Code Issues 4 Pull requests 0 Projects Rails Error Page Gem Using match ... :via => :all allows the error pages to be displayed for any type of request (GET, POST, PUT,etc.). 4 Tell Rails to use our routes for errorhandling config.exceptions_app Otherwise if you just want to edit the default error pages, edit the 500.html and 400.html files in {Rails.root}/public share|improve this answer answered Nov 23 '10 at 22:00 Ryan Bigg 83.7k17187217

The dynamic error pages should bedisplayed.

I wanted to be able to raise an exception anywhere in the code and have it result in responding to the user with a custom 401 page. 401 Unauthorized falls outside before_filter return unauthorized if :status == 401? unless Rails.application.config.consider_all_requests_local rescue_from Exception, with: lambda { |exception| render_error 500, exception } rescue_from ActionController::RoutingError, ActionController::UnknownController, ::AbstractController::ActionNotFound, ActiveRecord::RecordNotFound, with: lambda { |exception| render_error 404, exception } end private def render_error(status, exception) respond_to Rails 500 Error Raw errors_controller.rb class ErrorsController < ApplicationController def error_404 @not_found_path = params[:not_found] end def error_500 end end Raw generate.sh rails generate controller errors error_404 error_500 Raw remove_routes.rb get "errors/error_404" get "errors/error_500" Raw

I currently only have had 404 and 500 errors. Sign up for free to join this conversation on GitHub. Make sure not to send far-future expires headers for thesefiles! my review here If you want to make sure it actually works, change config/environments/development.rb to say 1 2 # Do not commit! config.consider_all_requests_local = false

So let’s generateone! Works for simple apps that don’t need custom-branded errorpages. When a Rails application is proxied by a web server like Nginx, the web server can be configured to serve static files from public/. Measuring Information Content of unannotated terms in a corpus, avoiding -log(0) Should non-native speakers get extra time to compose exam answers?

This tutorial shows you how to move error pages into your Rails app as dynamic views that benefit from application styles, layouts, and viewhelpers. Unless you like testing, in which case read on… Testing with capybara Once it was all finally wired together, I wanted to write some Capybara integration tests to verify that my Theoretically, if your Rails application completely crashed, Nginx could still serve a static error page, likepublic/500.html. Starting with Rails 4, the production asset pipeline no longer generates filenames without cache-busters.

Helping developers to Ship it! Reload to refresh your session. Thanks! —m More of my articles you may enjoy Setting up Sublime Text 3 for Rails Development I’ve been a satisfied Sublime user for the past three years, using it primarily