minor #32305 [HttpKernel][DX] Improve the error message when not defi…

…ning the controller as a service but using construct parameters (Simperfit)

This PR was merged into the 4.4 branch.

Discussion
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[HttpKernel][DX] Improve the error message when not defining the controller as a service but using construct parameters

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| BC breaks?    | no     <!-- see https://symfony.com/bc -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tests pass?   | yes    <!-- please add some, will be required by reviewers -->
| Fixed tickets | none   <!-- #-prefixed issue number(s), if any -->
| License       | MIT
| Doc PR        | not needed <!-- required for new features -->

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I'm working with newcomers to the symfony framework ATM and one of them has got stuck in this errors trying to understand why the constructor argument declared as a a service would not work and didn't check if the controller was declared as a service itself.

I feel like this could be improve to be really specific since "such" is not that specific ;).

Commits
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c670d51 [HttpKernel][DX] Improve the error message when not defining the controller as a service but using contruct parameters

src/Symfony/Component/HttpKernel/Controller/ContainerControllerResolver.php

@@ -59,7 +59,7 @@ protected function instantiateController($class)
         $this->throwExceptionIfControllerWasRemoved($class, $e);
 
         if ($e instanceof \ArgumentCountError) {
-            throw new \InvalidArgumentException(sprintf('Controller "%s" has required constructor arguments and does not exist in the container. Did you forget to define such a service?', $class), 0, $e);
+            throw new \InvalidArgumentException(sprintf('Controller "%s" has required constructor arguments and does not exist in the container. Did you forget to define the controller as a service?', $class), 0, $e);
         }
 
         throw new \InvalidArgumentException(sprintf('Controller "%s" does neither exist as service nor as class', $class), 0, $e);

src/Symfony/Component/HttpKernel/Tests/Controller/ContainerControllerResolverTest.php

@@ -184,16 +184,16 @@ public function getUndefinedControllers()
         $tests[] = [
             [ControllerTestService::class, 'action'],
             \InvalidArgumentException::class,
-            'Controller "Symfony\Component\HttpKernel\Tests\Controller\ControllerTestService" has required constructor arguments and does not exist in the container. Did you forget to define such a service?',
+            'Controller "Symfony\Component\HttpKernel\Tests\Controller\ControllerTestService" has required constructor arguments and does not exist in the container. Did you forget to define the controller as a service?',
         ];
         $tests[] = [
             ControllerTestService::class.'::action',
-            \InvalidArgumentException::class, 'Controller "Symfony\Component\HttpKernel\Tests\Controller\ControllerTestService" has required constructor arguments and does not exist in the container. Did you forget to define such a service?',
+            \InvalidArgumentException::class, 'Controller "Symfony\Component\HttpKernel\Tests\Controller\ControllerTestService" has required constructor arguments and does not exist in the container. Did you forget to define the controller as a service?',
         ];
         $tests[] = [
             InvokableControllerService::class,
             \InvalidArgumentException::class,
-            'Controller "Symfony\Component\HttpKernel\Tests\Controller\InvokableControllerService" has required constructor arguments and does not exist in the container. Did you forget to define such a service?',
+            'Controller "Symfony\Component\HttpKernel\Tests\Controller\InvokableControllerService" has required constructor arguments and does not exist in the container. Did you forget to define the controller as a service?',
         ];
 
         return $tests;