(dubbo) branch 3.2 updated: Fix LRUCache.putIfAbsent concurrent issue (#14615)

[liujun]

This is an automated email from the ASF dual-hosted git repository.

liujun pushed a commit to branch 3.2
in repository https://gitbox.apache.org/repos/asf/dubbo.git


The following commit(s) were added to refs/heads/3.2 by this push:
     new ee3855e2f4 Fix LRUCache.putIfAbsent concurrent issue (#14615)
ee3855e2f4 is described below

commit ee3855e2f42bfbc84acb3c9ef7c74202f9226273
Author: Albumen Kevin <jhq0...@gmail.com>
AuthorDate: Mon Sep 2 19:11:51 2024 +0800

    Fix LRUCache.putIfAbsent concurrent issue (#14615)
---
 .../src/main/java/org/apache/dubbo/common/utils/LRUCache.java  | 10 ++++++++++
 1 file changed, 10 insertions(+)

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
index 76d6c19cb7..28440ba854 100644
--- 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 class LRUCache<K, V> extends LinkedHashMap<K, V> {
         }
     }
 
+    @Override
+    public V putIfAbsent(K key, V value) {
+        lock.lock();
+        try {
+            return super.putIfAbsent(key, value);
+        } finally {
+            lock.unlock();
+        }
+    }
+
     public void lock() {
         lock.lock();
     }