Add Logger message and remove error exception

src/Symfony/Bundle/SecurityBundle/Resources/config/security_authenticator.php

@@ -137,6 +137,7 @@
                 abstract_arg('authentication failure handler'),
                 abstract_arg('options'),
                 service('property_accessor')->nullOnInvalid(),
+                service('logger')->nullOnInvalid(),
             ])
             ->call('setTranslator', [service('translator')->ignoreOnInvalid()])
 

src/Symfony/Component/Security/Http/Authenticator/JsonLoginAuthenticator.php

@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Security\Http\Authenticator;
 
+use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -50,15 +51,17 @@ class JsonLoginAuthenticator implements InteractiveAuthenticatorInterface
     private ?AuthenticationSuccessHandlerInterface $successHandler;
     private ?AuthenticationFailureHandlerInterface $failureHandler;
     private ?TranslatorInterface $translator = null;
+    private ?LoggerInterface $logger = null;
 
-    public function __construct(HttpUtils $httpUtils, UserProviderInterface $userProvider, AuthenticationSuccessHandlerInterface $successHandler = null, AuthenticationFailureHandlerInterface $failureHandler = null, array $options = [], PropertyAccessorInterface $propertyAccessor = null)
+    public function __construct(HttpUtils $httpUtils, UserProviderInterface $userProvider, AuthenticationSuccessHandlerInterface $successHandler = null, AuthenticationFailureHandlerInterface $failureHandler = null, array $options = [], PropertyAccessorInterface $propertyAccessor = null, LoggerInterface $logger = null)
     {
         $this->options = array_merge(['username_path' => 'username', 'password_path' => 'password'], $options);
         $this->httpUtils = $httpUtils;
         $this->successHandler = $successHandler;
         $this->failureHandler = $failureHandler;
         $this->userProvider = $userProvider;
         $this->propertyAccessor = $propertyAccessor ?: PropertyAccess::createPropertyAccessor();
+        $this->logger = $logger;
     }
 
     public function supports(Request $request): ?bool
@@ -185,6 +188,7 @@ private function isNotLoginPath(Request $request): bool
     /**
      * Check is the user wants to login.
      * It will detected by check the body content. If the array see a key called password and the type is wrong the Exception will be display.
+     * Also body is empty is.
      */
     private function errorBadFormatMessage($request): void
     {
@@ -198,7 +202,12 @@ private function errorBadFormatMessage($request): void
         }
         $data = json_decode($request->getContent(), true);
         if (\is_array($data) && \array_key_exists($this->options['password_path'], $data)) {
-            throw new BadRequestHttpException(sprintf('Content type was detected as "%s". Request format was detected as "%s". Please use "json" as request format or content type. ', $contentType, $request->getRequestFormat()));
+            $this->logger?->debug(sprintf('Skipping JSON authenticator as the request body is not JSON (got: "%s").', $contentType), ['authenticator' => static::class]);
+
+            return;
+        }
+        if (null === $data) {
+            $this->logger?->debug('Skipping json login authenticator. No content in body. May you forget to add content or you installed a custom authenticator on same path?', ['exception' => $contentType, 'authenticator' => static::class]);
         }
     }
 }