From 655874a5cc16410019c8c46c545a73c47cd5abd2 Mon Sep 17 00:00:00 2001
From: Klaus Richarz <kr@hbt.de>
Date: Sun, 27 Feb 2022 16:54:38 +0100
Subject: [PATCH] Fix handling of null values in DurationMinutesConverter

---
 src/main/java/org/tb/common/DurationMinutesConverter.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/java/org/tb/common/DurationMinutesConverter.java b/src/main/java/org/tb/common/DurationMinutesConverter.java
index c8c4b30d2..386f48912 100644
--- a/src/main/java/org/tb/common/DurationMinutesConverter.java
+++ b/src/main/java/org/tb/common/DurationMinutesConverter.java
@@ -9,11 +9,13 @@ public class DurationMinutesConverter implements AttributeConverter<Duration, In
 
   @Override
   public Integer convertToDatabaseColumn(Duration duration) {
+    if(duration == null) return null;
     return (int) duration.toMinutes();
   }
 
   @Override
   public Duration convertToEntityAttribute(Integer minutes) {
+    if(minutes == null) return null;
     return Duration.ofMinutes(minutes);
   }