From d405a2f14fd5cf1ce8cd95497643b2201458fb65 Mon Sep 17 00:00:00 2001
From: Seth Shaw <108362375+seth-shaw-asu@users.noreply.github.com>
Date: Tue, 9 Aug 2022 13:09:23 -0700
Subject: [PATCH] throw error instead of returning null data

Avoids WSOD when EmitEvent creates a StompHeaderEvent
---
 src/Plugin/Action/AbstractGenerateDerivativeMediaFile.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Plugin/Action/AbstractGenerateDerivativeMediaFile.php b/src/Plugin/Action/AbstractGenerateDerivativeMediaFile.php
index f484fdc3..be9eca80 100644
--- a/src/Plugin/Action/AbstractGenerateDerivativeMediaFile.php
+++ b/src/Plugin/Action/AbstractGenerateDerivativeMediaFile.php
@@ -40,7 +40,7 @@ class AbstractGenerateDerivativeMediaFile extends AbstractGenerateDerivativeBase
   protected function generateData(EntityInterface $entity) {
     $data = parent::generateData($entity);
     if (get_class($entity) != 'Drupal\media\Entity\Media') {
-      return;
+      throw new \RuntimeException("Entity {$entity->getEntityTypeId()} {$entity->id()} is not a media", 500);
     }
     $source_file = $this->mediaSource->getSourceFile($entity);
     if (!$source_file) {