error list throw all erreors (not only the first one)

Author: jdeniau

features/filter/filter_validation.feature

@@ -20,15 +20,15 @@ Feature: Validate filters based upon filter description
   Scenario: Required filter should throw an error if not set
     When I am on "/array_filter_validators"
     Then the response status code should be 400
-    And the JSON node "detail" should be equal to 'Query parameter "arrayRequired[]" is required'
+    And the JSON node "detail" should match '/^Query parameter "arrayRequired\[\]" is required\nQuery parameter "indexedArrayRequired\[foo\]" is required$/'
 
     When I am on "/array_filter_validators?arrayRequired=foo&indexedArrayRequired[foo]=foo"
     Then the response status code should be 400
     And the JSON node "detail" should be equal to 'Query parameter "arrayRequired[]" is required'
 
     When I am on "/array_filter_validators?arrayRequired[foo]=foo"
     Then the response status code should be 400
-    And the JSON node "detail" should be equal to 'Query parameter "arrayRequired[]" is required'
+    And the JSON node "detail" should match '/^Query parameter "arrayRequired\[\]" is required\nQuery parameter "indexedArrayRequired\[foo\]" is required$/'
 
     When I am on "/array_filter_validators?arrayRequired[]=foo"
     Then the response status code should be 400

src/Filter/QueryParameterValidateListener.php

@@ -52,27 +52,26 @@ public function onKernelRequest(GetResponseEvent $event)
         $resourceMetadata = $this->resourceMetadataFactory->create($attributes['resource_class']);
         $resourceFilters = $resourceMetadata->getCollectionOperationAttribute($operationName, 'filters', [], true);
 
+        $errorList = [];
         foreach ($resourceFilters as $filterId) {
             if (!$filter = $this->getFilter($filterId)) {
                 continue;
             }
 
             foreach ($filter->getDescription($attributes['resource_class']) as $name => $data) {
-                $errorList = [];
-
                 if (!($data['required'] ?? false)) { // property is not required
                     continue;
                 }
 
                 if (!$this->isRequiredFilterValid($name, $request)) {
                     $errorList[] = sprintf('Query parameter "%s" is required', $name);
                 }
-
-                if ($errorList) {
-                    throw new FilterValidationException($errorList);
-                }
             }
         }
+
+        if ($errorList) {
+            throw new FilterValidationException($errorList);
+        }
     }
 
     /**