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

Namespace
Methods
C
N
Constants
RESCUES_TEMPLATE_PATH = File.expand_path('../templates', __FILE__)
 
Class Public methods
new(app, routes_app = nil)
# File actionpack/lib/action_dispatch/middleware/debug_exceptions.rb, line 41
def initialize(app, routes_app = nil)
  @app        = app
  @routes_app = routes_app
end
Instance Public methods
call(env)
# File actionpack/lib/action_dispatch/middleware/debug_exceptions.rb, line 46
def call(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 if env['action_dispatch.show_exceptions'] == false
  render_exception(env, exception)
end