fix(symfony): register api_error route (#6281)

closes #6269

Author: soyuka

src/Symfony/Bundle/Resources/config/routing/api.xml

@@ -13,16 +13,4 @@
 
         <requirement key="index">index</requirement>
     </route>
-
-    <route id="api_errors" path="/errors/{status}">
-        <default key="_controller">api_platform.action.not_exposed</default>
-        <default key="status">500</default>
-
-        <requirement key="status">\d+</requirement>
-    </route>
-
-    <route id="api_validation_errors" path="/validation_errors/{id}">
-        <default key="_controller">api_platform.action.not_exposed</default>
-    </route>
-
 </routes>

src/Symfony/Bundle/Resources/config/routing/errors.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<routes xmlns="http://symfony.com/schema/routing"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://symfony.com/schema/routing
+        http://symfony.com/schema/routing/routing-1.0.xsd">
+
+    <route id="api_errors" path="/errors/{status}">
+        <default key="_controller">api_platform.action.not_exposed</default>
+        <default key="status">500</default>
+
+        <requirement key="status">\d+</requirement>
+    </route>
+
+    <route id="api_validation_errors" path="/validation_errors/{id}">
+        <default key="_controller">api_platform.action.not_exposed</default>
+    </route>
+</routes>

src/Symfony/Routing/ApiLoader.php

@@ -125,6 +125,7 @@ public function supports(mixed $resource, ?string $type = null): bool
     private function loadExternalFiles(RouteCollection $routeCollection): void
     {
         $routeCollection->addCollection($this->fileLoader->load('genid.xml'));
+        $routeCollection->addCollection($this->fileLoader->load('errors.xml'));
 
         if ($this->entrypointEnabled) {
             $routeCollection->addCollection($this->fileLoader->load('api.xml'));

tests/Symfony/Routing/ApiLoaderTest.php

@@ -213,6 +213,7 @@ public function testApiLoaderWithPrefix(): void
 
         $prefixedPath = $prefix.$path;
 
+        $this->assertNotNull($routeCollection->get('api_errors'));
         $this->assertEquals(
             $this->getRoute(
                 $prefixedPath,