From 49ae61bf67aae670bad4ee25680eeebcc7b29583 Mon Sep 17 00:00:00 2001
From: srosse <none@none>
Date: Fri, 23 Feb 2018 09:19:44 +0100
Subject: [PATCH] OO-3336: by removing a property, set the configuration as
 dirty

---
 .../java/org/olat/core/configuration/PersistedProperties.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/olat/core/configuration/PersistedProperties.java b/src/main/java/org/olat/core/configuration/PersistedProperties.java
index 56f97690505..baf51868fd6 100644
--- a/src/main/java/org/olat/core/configuration/PersistedProperties.java
+++ b/src/main/java/org/olat/core/configuration/PersistedProperties.java
@@ -443,7 +443,8 @@ public class PersistedProperties extends LogDelegator implements Initializable,
 	
 	public void removeProperty(String propertyName, boolean saveConfiguration) {
 		synchronized (configuredProperties) { // make read/write save in VM
-			configuredProperties.remove(propertyName);
+			Object removedProperty = configuredProperties.remove(propertyName);
+			propertiesDirty |= removedProperty != null;
 			if (saveConfiguration) {
 				savePropertiesAndFireChangedEvent();
 			}
-- 
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