From f6c6a9f3b2e021774c498eab79d11c7e8b71fed5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B5=B5=E5=BB=B6?= <1060026287@qq.com>
Date: Wed, 30 Sep 2020 13:14:42 +0800
Subject: [PATCH] [ISSUE #3850] ignore socket exception when client destroy
 already (#3906)

* if client destroy already, ignore socket exception.

* remove the exception's judgement

* remove unuseful import
---
 .../com/alibaba/nacos/client/naming/core/PushReceiver.java     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/client/src/main/java/com/alibaba/nacos/client/naming/core/PushReceiver.java b/client/src/main/java/com/alibaba/nacos/client/naming/core/PushReceiver.java
index 625fb12d2..3a0776d46 100644
--- a/client/src/main/java/com/alibaba/nacos/client/naming/core/PushReceiver.java
+++ b/client/src/main/java/com/alibaba/nacos/client/naming/core/PushReceiver.java
@@ -107,6 +107,9 @@ public class PushReceiver implements Runnable, Closeable {
                 udpSocket.send(new DatagramPacket(ack.getBytes(UTF_8), ack.getBytes(UTF_8).length,
                         packet.getSocketAddress()));
             } catch (Exception e) {
+                if (closed) {
+                    return;
+                }
                 NAMING_LOGGER.error("[NA] error while receiving push data", e);
             }
         }