Merge branch 'ntr/master/add-exception-message-to-message-failed-exce…

…ption' into 'master'

NTR - Add exception message to message failed exception

See merge request shopware/6/product/platform!278

src/Core/Framework/MessageQueue/Exception/MessageFailedException.php

@@ -28,11 +28,12 @@ public function __construct(object $originalMessage, string $handlerClass, \Thro
         $this->exception = $exception;
 
         parent::__construct(
-            'The handler "{{ handlerClass }}" threw a "{{ exceptionClass }}" for message "{{ messageClass }}".',
+            'The handler "{{ handlerClass }}" threw a "{{ exceptionClass }}" for message "{{ messageClass }}". The Exception was "{{ exceptionMessage }}.',
             [
                 'handlerClass' => $handlerClass,
                 'exceptionClass' => get_class($exception),
                 'messageClass' => get_class($originalMessage),
+                'exceptionMessage' => $exception->getMessage(),
             ]
         );
     }