From 7a4699ec2e7ec89263fd60aac375daee47041c1e Mon Sep 17 00:00:00 2001
From: PhilippHomann <3265572+PhilippHomann@users.noreply.github.com>
Date: Fri, 23 Jun 2023 12:30:58 +0200
Subject: [PATCH] Add properties to readResolve() (#524)

Co-authored-by: Philipp Homann <philipp.homann@rheinmetall.com>
---
 .../jenkins/plugins/lockableresources/LockableResource.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/org/jenkins/plugins/lockableresources/LockableResource.java b/src/main/java/org/jenkins/plugins/lockableresources/LockableResource.java
index acb0aefe4..af06f8fec 100644
--- a/src/main/java/org/jenkins/plugins/lockableresources/LockableResource.java
+++ b/src/main/java/org/jenkins/plugins/lockableresources/LockableResource.java
@@ -136,6 +136,9 @@ protected Object readResolve() {
     if (queuedContexts == null) { // this field was added after the initial version if this class
       queuedContexts = new ArrayList<>();
     }
+    if (properties == null) {
+      properties = new ArrayList<>();
+    }
     this.repairLabels();
     return this;
   }