From 770382b36afd5180f4c77b02830683f4283bd659 Mon Sep 17 00:00:00 2001
From: wangmin <wangmin@zccp.com>
Date: Tue, 8 Dec 2020 20:04:19 +0800
Subject: [PATCH] Fix ConcurrentModificationException while EventDispatcher.run
 after 'received push data' from Nacos

---
 .../metadata/repository/DubboServiceMetadataRepository.java    | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/metadata/repository/DubboServiceMetadataRepository.java b/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/metadata/repository/DubboServiceMetadataRepository.java
index a5be34df..81751a61 100644
--- a/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/metadata/repository/DubboServiceMetadataRepository.java
+++ b/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/metadata/repository/DubboServiceMetadataRepository.java
@@ -237,9 +237,6 @@ public class DubboServiceMetadataRepository
 		dispatchEvent(new SubscribedServicesChangedEvent(this, oldSubscribedServices,
 				newSubscribedServices));
 
-		// clear old one, help GC
-		oldSubscribedServices.clear();
-
 		return newSubscribedServices.stream();
 	}