diff --git a/ApiDocGenerator.php b/ApiDocGenerator.php
index 575bf56..6909d96 100644
--- a/ApiDocGenerator.php
+++ b/ApiDocGenerator.php
@@ -91,12 +91,7 @@ final class ApiDocGenerator
             return !$processor instanceof \OpenApi\Processors\OperationId;
         }));
 
-        $context = Util::createContext(
-            // BC for for zircote/swagger-php < 4.2
-            method_exists($generator, 'getVersion')
-            ? ['version' => $generator->getVersion()]
-            : []
-        );
+        $context = Util::createContext(['version' => $generator->getVersion()]);
 
         $this->openApi = new OpenApi(['_context' => $context]);
         $modelRegistry = new ModelRegistry($this->modelDescribers, $this->openApi, $this->alternativeNames);
diff --git a/Controller/DocumentationController.php b/Controller/DocumentationController.php
index 020451a..a09c6a8 100644
--- a/Controller/DocumentationController.php
+++ b/Controller/DocumentationController.php
@@ -11,6 +11,7 @@
 
 namespace Nelmio\ApiDocBundle\Controller;
 
+use Nelmio\ApiDocBundle\Exception\RenderInvalidArgumentException;
 use Nelmio\ApiDocBundle\Render\RenderOpenApi;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
@@ -34,7 +35,7 @@ final class DocumentationController
             return JsonResponse::fromJsonString(
                 $this->renderOpenApi->renderFromRequest($request, RenderOpenApi::JSON, $area)
             );
-        } catch (InvalidArgumentException $e) {
+        } catch (RenderInvalidArgumentException $e) {
             throw new BadRequestHttpException(sprintf('Area "%s" is not supported as it isn\'t defined in config.', $area));
         }
     }
diff --git a/Describer/OpenApiPhpDescriber.php b/Describer/OpenApiPhpDescriber.php
index 645c11d..1c297c6 100644
--- a/Describer/OpenApiPhpDescriber.php
+++ b/Describer/OpenApiPhpDescriber.php
@@ -208,11 +208,6 @@ final class OpenApiPhpDescriber
      */
     private function getAttributesAsAnnotation($reflection, \OpenApi\Context $context): array
     {
-        // BC zircote/swagger-php < 4.0
-        if (!class_exists(AttributeAnnotationFactory::class)) {
-            return [];
-        }
-
         $attributesFactory = new AttributeAnnotationFactory();
         $attributes = $attributesFactory->build($reflection, $context);
         // The attributes factory removes the context after executing so we need to set it back...
diff --git a/Tests/Functional/Resources/routes.yaml b/Tests/Functional/Resources/routes.yaml
index 66e8be6..9b52786 100644
--- a/Tests/Functional/Resources/routes.yaml
+++ b/Tests/Functional/Resources/routes.yaml
@@ -31,15 +31,15 @@ api_platform:
 
 # Controllers
 doc_area:
-    path: /docs/{area}
+    path: /{area}/docs
     controller: nelmio_api_doc.controller.swagger_ui
     defaults: 
         area: default
 
 doc_json:
-    path: /docs.json
+    path: /{area}/docs.json
     controller: nelmio_api_doc.controller.swagger_json
 
 doc_yaml:
-    path: /docs.yaml
+    path: /{area}/docs.yaml
     controller: nelmio_api_doc.controller.swagger_yaml
\ No newline at end of file
diff --git a/Tests/Functional/SwaggerUiTest.php b/Tests/Functional/SwaggerUiTest.php
index 01dc4a0..cbc5917 100644
--- a/Tests/Functional/SwaggerUiTest.php
+++ b/Tests/Functional/SwaggerUiTest.php
@@ -25,12 +25,12 @@ class SwaggerUiTest extends WebTestCase
     {
         parent::setUp();
 
-        $this->client = static::createClient([], ['HTTP_HOST' => 'api.example.com', 'PHP_SELF' => '/app_dev.php/docs', 'SCRIPT_FILENAME' => '/var/www/app/web/app_dev.php']);
+        $this->client = static::createClient([], ['HTTP_HOST' => 'api.example.com', 'PHP_SELF' => '/app_dev.php/default/docs', 'SCRIPT_FILENAME' => '/var/www/app/web/app_dev.php']);
     }
 
     public function testSwaggerUi()
     {
-        $crawler = $this->client->request('GET', '/app_dev.php/docs');
+        $crawler = $this->client->request('GET', '/app_dev.php/default/docs');
 
         $response = $this->client->getResponse();
         $this->assertEquals(200, $response->getStatusCode());
@@ -44,7 +44,7 @@ class SwaggerUiTest extends WebTestCase
 
     public function testApiPlatformSwaggerUi()
     {
-        $crawler = $this->client->request('GET', '/app_dev.php/docs/test');
+        $crawler = $this->client->request('GET', '/app_dev.php/test/docs');
 
         $response = $this->client->getResponse();
         $this->assertEquals(200, $response->getStatusCode());
@@ -60,7 +60,7 @@ class SwaggerUiTest extends WebTestCase
 
     public function testJsonDocs()
     {
-        $this->client->request('GET', '/app_dev.php/docs.json');
+        $this->client->request('GET', '/app_dev.php/default/docs.json');
 
         $response = $this->client->getResponse();
         $this->assertEquals(200, $response->getStatusCode());
@@ -74,9 +74,17 @@ class SwaggerUiTest extends WebTestCase
         $this->assertEquals($expected, json_decode($response->getContent(), true));
     }
 
+    public function testInvalidJsonArea()
+    {
+        $this->client->request('GET', '/app_dev.php/nonexistent/docs.json');
+
+        $response = $this->client->getResponse();
+        $this->assertEquals(400, $response->getStatusCode());
+    }
+
     public function testYamlDocs()
     {
-        $this->client->request('GET', '/app_dev.php/docs.yaml');
+        $this->client->request('GET', '/app_dev.php/default/docs.yaml');
 
         $response = $this->client->getResponse();
         $this->assertEquals(200, $response->getStatusCode());
diff --git a/Tests/Functional/TestKernel.php b/Tests/Functional/TestKernel.php
index 321d7c8..3f56348 100644
--- a/Tests/Functional/TestKernel.php
+++ b/Tests/Functional/TestKernel.php
@@ -134,7 +134,16 @@ class TestKernel extends Kernel
             'serializer' => ['enable_annotations' => true],
             'property_access' => true,
         ];
-
+        // Support symfony/framework-bundle < 5.4
+        if (method_exists(\Symfony\Bundle\FrameworkBundle\Command\CachePoolClearCommand::class, 'complete')) {
+            $framework += [
+                'exceptions' => [
+                    'Symfony\Component\HttpKernel\Exception\BadRequestHttpException' => [
+                        'log_level' => 'debug',
+                    ],
+                ],
+            ];
+        }
         $c->loadFromExtension('framework', $framework);
 
         $c->loadFromExtension('twig', [
diff --git a/Util/SetsContextTrait.php b/Util/SetsContextTrait.php
index bf6cba5..c4cb8bb 100644
--- a/Util/SetsContextTrait.php
+++ b/Util/SetsContextTrait.php
@@ -11,12 +11,7 @@ trait SetsContextTrait
 {
     private function setContext(?Context $context): void
     {
-        if (class_exists(\OpenApi\Analyser::class)) {
-            // zircote/swagger-php ^3.2
-            \OpenApi\Analyser::$context = $context;
-        } else {
-            // zircote/swagger-php ^4.0
-            \OpenApi\Generator::$context = $context;
-        }
+        // zircote/swagger-php ^4.0
+        \OpenApi\Generator::$context = $context;
     }
 }