From 453e0ca541911775d307b50fa0e5215e6ee144be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B5=B5=E5=BB=B6?= <1060026287@qq.com>
Date: Fri, 26 Mar 2021 15:41:30 +0800
Subject: [PATCH] makes latch volatile. (#7448)

---
 .../org/apache/dubbo/registry/zookeeper/ZookeeperRegistry.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dubbo-registry/dubbo-registry-zookeeper/src/main/java/org/apache/dubbo/registry/zookeeper/ZookeeperRegistry.java b/dubbo-registry/dubbo-registry-zookeeper/src/main/java/org/apache/dubbo/registry/zookeeper/ZookeeperRegistry.java
index cb978929241..ddfb48a69f4 100644
--- a/dubbo-registry/dubbo-registry-zookeeper/src/main/java/org/apache/dubbo/registry/zookeeper/ZookeeperRegistry.java
+++ b/dubbo-registry/dubbo-registry-zookeeper/src/main/java/org/apache/dubbo/registry/zookeeper/ZookeeperRegistry.java
@@ -292,7 +292,7 @@ protected boolean isMatch(URL subscribeUrl, URL providerUrl) {
     private class RegistryChildListenerImpl implements ChildListener {
         private RegistryNotifier notifier;
         private long lastExecuteTime;
-        private CountDownLatch latch;
+        private volatile CountDownLatch latch;
 
         public RegistryChildListenerImpl(URL consumerUrl, String path, NotifyListener listener, CountDownLatch latch) {
             this.latch = latch;