This middleware is responsible for logging exceptions and showing a debugging page in case the request is local.

Namespace

Class

Methods

Constants

RESCUES_TEMPLATE_PATH = File.expand_path("templates", __dir__)

Class Public methods

new(app, routes_app = nil, response_format = :default)

📝 Source code 
# File actionpack/lib/action_dispatch/middleware/debug_exceptions.rb, line 53
    def initialize(app, routes_app = nil, response_format = :default)
      @app             = app
      @routes_app      = routes_app
      @response_format = response_format
    end
🔎 See on GitHub

Instance Public methods

call(env)

📝 Source code 
# File actionpack/lib/action_dispatch/middleware/debug_exceptions.rb, line 59
    def call(env)
      request = ActionDispatch::Request.new env
      _, headers, body = response = @app.call(env)

      if headers["X-Cascade"] == "pass"
        body.close if body.respond_to?(:close)
        raise ActionController::RoutingError, "No route matches [#{env['REQUEST_METHOD']}] #{env['PATH_INFO'].inspect}"
      end

      response
    rescue Exception => exception
      raise exception unless request.show_exceptions?
      render_exception(request, exception)
    end
🔎 See on GitHub