From 77d24def3a5aafd0d10afd525734bba398cf48b2 Mon Sep 17 00:00:00 2001
From: JasonWong <exceptionplayer@gmail.com>
Date: Wed, 7 Oct 2020 14:12:29 +0800
Subject: [PATCH] [ISSUE# 2325] Use CopyOnWriteArrayList to avoid possible
 thread safety issues

---
 .../java/org/apache/rocketmq/broker/out/BrokerOuterAPI.java    | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/broker/src/main/java/org/apache/rocketmq/broker/out/BrokerOuterAPI.java b/broker/src/main/java/org/apache/rocketmq/broker/out/BrokerOuterAPI.java
index a237bf61..8b01ef56 100644
--- a/broker/src/main/java/org/apache/rocketmq/broker/out/BrokerOuterAPI.java
+++ b/broker/src/main/java/org/apache/rocketmq/broker/out/BrokerOuterAPI.java
@@ -19,7 +19,6 @@ package org.apache.rocketmq.broker.out;
 import java.io.UnsupportedEncodingException;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Vector;
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.CountDownLatch;
@@ -123,7 +122,7 @@ public class BrokerOuterAPI {
         final int timeoutMills,
         final boolean compressed) {
 
-        final List<RegisterBrokerResult> registerBrokerResultList = new Vector<>();
+        final List<RegisterBrokerResult> registerBrokerResultList = new CopyOnWriteArrayList<>();
         List<String> nameServerAddressList = this.remotingClient.getNameServerAddressList();
         if (nameServerAddressList != null && nameServerAddressList.size() > 0) {
 
-- 
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