added fix for rare NPE due to multi-thread access

NEZNAMY · Apr 27, 2021 · a733970 · a733970
1 parent 5805a6c
commit a733970
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/shared/src/main/java/me/neznamy/tab/shared/features/PlaceholderManager.java b/shared/src/main/java/me/neznamy/tab/shared/features/PlaceholderManager.java
@@ -190,7 +190,7 @@ private void refresh(Map<TabPlayer, Set<Refreshable>> forceUpdate, Map<TabPlayer
 	}
 
 	public void refreshPlaceholderUsage() {
-		placeholderUsage = new HashMap<>();
+		Map<String, Set<Refreshable>> placeholderUsage = new HashMap<>();
 		for (String placeholder : allUsedPlaceholderIdentifiers) {
 			Set<Refreshable> set = new HashSet<Refreshable>();
 			for (Feature r : tab.getFeatureManager().getAllFeatures()) {
@@ -199,6 +199,7 @@ public void refreshPlaceholderUsage() {
 			}
 			placeholderUsage.put(placeholder, set);
 		}
+		this.placeholderUsage = placeholderUsage;
 	}
 
 	@Override