From 44736c3760b9caa0aad21b8df7a3e53bebfd07b8 Mon Sep 17 00:00:00 2001
From: panzhi33 <wb-pz502261@alibaba-inc.com>
Date: Tue, 16 Mar 2021 12:21:32 +0800
Subject: [PATCH] fix Multiple instances in the same application share
 MQClientInstance

---
 .../src/main/java/org/apache/rocketmq/client/ClientConfig.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/src/main/java/org/apache/rocketmq/client/ClientConfig.java b/client/src/main/java/org/apache/rocketmq/client/ClientConfig.java
index d0ae5e1b831..bcd3f9b2052 100644
--- a/client/src/main/java/org/apache/rocketmq/client/ClientConfig.java
+++ b/client/src/main/java/org/apache/rocketmq/client/ClientConfig.java
@@ -94,7 +94,7 @@ public void setInstanceName(String instanceName) {
 
     public void changeInstanceNameToPID() {
         if (this.instanceName.equals("DEFAULT")) {
-            this.instanceName = String.valueOf(UtilAll.getPid());
+            this.instanceName = UtilAll.getPid()+ "#" + System.nanoTime();
         }
     }