From a63fea36491761d2df57ae705cf0e733b43e970d Mon Sep 17 00:00:00 2001
From: pandaapo <35672972+pandaapo@users.noreply.github.com>
Date: Thu, 5 Jan 2023 20:30:21 +0800
Subject: [PATCH] Fix potential connection leak bug when closing
 NacosDataSource (#2962)

---
 .../csp/sentinel/datasource/nacos/NacosDataSource.java      | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sentinel-extension/sentinel-datasource-nacos/src/main/java/com/alibaba/csp/sentinel/datasource/nacos/NacosDataSource.java b/sentinel-extension/sentinel-datasource-nacos/src/main/java/com/alibaba/csp/sentinel/datasource/nacos/NacosDataSource.java
index ee5c719065..caade5cf30 100644
--- a/sentinel-extension/sentinel-datasource-nacos/src/main/java/com/alibaba/csp/sentinel/datasource/nacos/NacosDataSource.java
+++ b/sentinel-extension/sentinel-datasource-nacos/src/main/java/com/alibaba/csp/sentinel/datasource/nacos/NacosDataSource.java
@@ -145,6 +145,12 @@ public String readSource() throws Exception {
     public void close() {
         if (configService != null) {
             configService.removeListener(dataId, groupId, configListener);
+            try {
+                configService.shutDown();
+            } catch (Exception e) {
+                RecordLog.warn("[NacosDataSource] Error occurred when closing Nacos data source", e);
+                e.printStackTrace();
+            }
         }
         pool.shutdownNow();
     }