From 04f10d3dd3311e08ba8eea755872cf2a98faca7e Mon Sep 17 00:00:00 2001
From: "ken.lj" <ken.lj.hz@gmail.com>
Date: Wed, 26 May 2021 17:46:42 +0800
Subject: [PATCH] Avoid logger being set multiple times.

---
 .../java/org/apache/dubbo/common/logger/LoggerFactory.java     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/logger/LoggerFactory.java b/dubbo-common/src/main/java/org/apache/dubbo/common/logger/LoggerFactory.java
index 41d1632eacc..58cbc46dab5 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/logger/LoggerFactory.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/common/logger/LoggerFactory.java
@@ -92,6 +92,9 @@ public static void setLoggerAdapter(String loggerAdapter) {
      */
     public static void setLoggerAdapter(LoggerAdapter loggerAdapter) {
         if (loggerAdapter != null) {
+            if (loggerAdapter == LOGGER_ADAPTER) {
+                return;
+            }
             Logger logger = loggerAdapter.getLogger(LoggerFactory.class.getName());
             logger.info("using logger: " + loggerAdapter.getClass().getName());
             LoggerFactory.LOGGER_ADAPTER = loggerAdapter;