Fix LRUCache.putIfAbsent concurrent issue

AlbumenJ · Sep 2, 2024 · d7304aa · d7304aa
1 parent f3d1294
commit d7304aa
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/LRUCache.java b/dubbo-common/src/main/java/org/apache/dubbo/common/utils/LRUCache.java
@@ -110,6 +110,16 @@ public void clear() {
         }
     }
 
+    @Override
+    public V putIfAbsent(K key, V value) {
+        lock.lock();
+        try {
+            return super.putIfAbsent(key, value);
+        } finally {
+            lock.unlock();
+        }
+    }
+
     public void lock() {
         lock.lock();
     }