From 4640338e73f53e0742638e735db199f642dd8792 Mon Sep 17 00:00:00 2001
From: Arnout Engelen <arnout@bzzt.net>
Date: Thu, 6 Jan 2022 15:21:09 +0100
Subject: [PATCH] jackson: don't fail serializing empty beans (#31033)

Notably, case objects.

It's not entirely clear to me why this started failing on Scala 3,
`AccountExampleSpec` picks `JacksonCborSerializer` both for Scala 2
and Scala 3, but only on 3 seems to require this option.
---
 akka-serialization-jackson/src/main/resources/reference.conf | 1 +
 1 file changed, 1 insertion(+)

diff --git a/akka-serialization-jackson/src/main/resources/reference.conf b/akka-serialization-jackson/src/main/resources/reference.conf
index 4924f6ed4b..3a51ddd399 100644
--- a/akka-serialization-jackson/src/main/resources/reference.conf
+++ b/akka-serialization-jackson/src/main/resources/reference.conf
@@ -47,6 +47,7 @@ akka.serialization.jackson {
     # but WRITE_DATES_AS_TIMESTAMPS=on has better performance.
     WRITE_DATES_AS_TIMESTAMPS = off
     WRITE_DURATIONS_AS_TIMESTAMPS = off
+    FAIL_ON_EMPTY_BEANS = off
   }
 
   # Configuration of the ObjectMapper deserialization features.