If an authenticated user navigates to /login on a Drupal 8 site, she gets the "access denied" error. I want the site to redirect that user to /user (route user.page) instead. Unfortunately my RouteSubscriber doesn't work:

class RouteSubscriber extends RouteSubscriberBase {

   * {@inheritdoc}
  protected function alterRoutes(RouteCollection $collection) {

    /* @var \Symfony\Component\Routing\Route $route */
    if ($route = $collection->get('user.login')) {
         '_controller' => '\Drupal\asdentbase\Controller\LogonController::login',
         '_title' => 'Anmelden'

And my LogonController looks like

public function login() {

    if ($this->currentUser()->isAuthenticated()) {
      return $this->redirect('user.page');

    $rc =

The route redirection to /anmelden works fine. But my LogonController::login function is never called for already authenticated users. There's seems to be any further magic in the core.

More detail:

I also have a route in mymodule.routing.yml like

  path: '/anmelden'
    _controller: '\Drupal\asdentbase\Controller\LogonController::login'
    _title: 'Anmelden'

You also need to register your class in the event subscriber serivce. Create a YML similar to this:


    class: Drupal\asdentbase\RouteSubscriber
      - { name: event_subscriber }
  • I already did this. That's why the redirection basically works. – Rainer Feike Oct 10 '19 at 8:30

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