Symfony Exception

RuntimeException

HTTP 500 Internal Server Error

Cannot autowire argument $knpPaginator of "Aviatur\HotelBundle\Controller\HotelController::listAction()": it references class "Knp\Component\Pager\Paginator" but no such service exists. Try changing the type-hint to "Knp\Component\Pager\PaginatorInterface" instead.

Exception

Symfony\Component\DependencyInjection\Exception\ RuntimeException

  1.     {
  2.         if ('service_container' === $id) {
  3.             return $this;
  4.         }
  5.         if (\is_string($load)) {
  6.             throw new RuntimeException($load);
  7.         }
  8.         if (null === $method) {
  9.             return false !== $registry $this->{$registry}[$id] ?? null null;
  10.         }
  11.         if (false !== $registry) {
  1.      *
  2.      * @return mixed
  3.      */
  4.     public function get(string $id)
  5.     {
  6.         return isset($this->serviceMap[$id]) ? ($this->factory)(...$this->serviceMap[$id]) : parent::get($id);
  7.     }
  8.     /**
  9.      * {@inheritdoc}
  10.      */
  1.             $i strrpos($controller':');
  2.             $controller substr($controller0$i).strtolower(substr($controller$i));
  3.         }
  4.         try {
  5.             yield $this->container->get($controller)->get($argument->getName());
  6.         } catch (RuntimeException $e) {
  7.             $what sprintf('argument $%s of "%s()"'$argument->getName(), $controller);
  8.             $message preg_replace('/service "\.service_locator\.[^"]++"/'$what$e->getMessage());
  9.             if ($e->getMessage() === $message) {
  1.     public function resolve(Request $requestArgumentMetadata $argument): iterable
  2.     {
  3.         $method = \get_class($this->inner).'::'.__FUNCTION__;
  4.         $this->stopwatch->start($method'controller.argument_value_resolver');
  5.         yield from $this->inner->resolve($request$argument);
  6.         $this->stopwatch->stop($method);
  7.     }
  8. }
  1.                 }
  2.                 $resolved $resolver->resolve($request$metadata);
  3.                 $atLeastOne false;
  4.                 foreach ($resolved as $append) {
  5.                     $atLeastOne true;
  6.                     $arguments[] = $append;
  7.                 }
  8.                 if (!$atLeastOne) {
  1.     public function getArguments(Request $request, callable $controller)
  2.     {
  3.         $e $this->stopwatch->start('controller.get_arguments');
  4.         try {
  5.             return $this->resolver->getArguments($request$controller);
  6.         } finally {
  7.             $e->stop();
  8.         }
  9.     }
  10. }
in vendor/symfony/http-kernel/HttpKernel.php -> getArguments (line 155)
  1.         $event = new ControllerEvent($this$controller$request$type);
  2.         $this->dispatcher->dispatch($eventKernelEvents::CONTROLLER);
  3.         $controller $event->getController();
  4.         // controller arguments
  5.         $arguments $this->argumentResolver->getArguments($request$controller);
  6.         $event = new ControllerArgumentsEvent($this$controller$arguments$request$type);
  7.         $this->dispatcher->dispatch($eventKernelEvents::CONTROLLER_ARGUMENTS);
  8.         $controller $event->getController();
  9.         $arguments $event->getArguments();
  1.     {
  2.         $request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
  3.         $this->requestStack->push($request);
  4.         try {
  5.             return $this->handleRaw($request$type);
  6.         } catch (\Exception $e) {
  7.             if ($e instanceof RequestExceptionInterface) {
  8.                 $e = new BadRequestHttpException($e->getMessage(), $e);
  9.             }
  10.             if (false === $catch) {
  1.         $this->boot();
  2.         ++$this->requestStackSize;
  3.         $this->resetServices true;
  4.         try {
  5.             return $this->getHttpKernel()->handle($request$type$catch);
  6.         } finally {
  7.             --$this->requestStackSize;
  8.         }
  9.     }
Kernel->handle() in web/index.php (line 24)
  1.     Request::setTrustedHosts([$trustedHosts]);
  2. }
  3. $kernel = new Kernel($_SERVER['APP_ENV'], (bool) $_SERVER['APP_DEBUG']);
  4. $request Request::createFromGlobals();
  5. $response $kernel->handle($request);
  6. $response->send();
  7. $kernel->terminate($request$response);

Logs

No log messages

Stack Trace

RuntimeException
Symfony\Component\DependencyInjection\Exception\RuntimeException:
Cannot autowire argument $knpPaginator of "Aviatur\HotelBundle\Controller\HotelController::listAction()": it references class "Knp\Component\Pager\Paginator" but no such service exists. Try changing the type-hint to "Knp\Component\Pager\PaginatorInterface" instead.

  at vendor/symfony/dependency-injection/Container.php:421
  at Symfony\Component\DependencyInjection\Container->getService()
     (vendor/symfony/dependency-injection/Argument/ServiceLocator.php:42)
  at Symfony\Component\DependencyInjection\Argument\ServiceLocator->get()
     (vendor/symfony/http-kernel/Controller/ArgumentResolver/ServiceValueResolver.php:77)
  at Symfony\Component\HttpKernel\Controller\ArgumentResolver\ServiceValueResolver->resolve()
     (vendor/symfony/http-kernel/Controller/ArgumentResolver/TraceableValueResolver.php:58)
  at Symfony\Component\HttpKernel\Controller\ArgumentResolver\TraceableValueResolver->resolve()
     (vendor/symfony/http-kernel/Controller/ArgumentResolver.php:58)
  at Symfony\Component\HttpKernel\Controller\ArgumentResolver->getArguments()
     (vendor/symfony/http-kernel/Controller/TraceableArgumentResolver.php:39)
  at Symfony\Component\HttpKernel\Controller\TraceableArgumentResolver->getArguments()
     (vendor/symfony/http-kernel/HttpKernel.php:155)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:75)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:202)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (web/index.php:24)