From fb25c726ab3dff22596ed6c4c5309d0ce7024860 Mon Sep 17 00:00:00 2001
From: qixiaobo <qixiaobo.nj@gmail.com>
Date: Mon, 7 Jun 2021 13:23:32 +0800
Subject: [PATCH] Dubbo 2.6.x may not support multi group consumer #7985
 https://github.com/apache/dubbo/issues/7985

---
 .../alibaba/dubbo/rpc/cluster/support/ClusterUtils.java   | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/support/ClusterUtils.java b/dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/support/ClusterUtils.java
index 7bc6f30f7f0..c36af7d3b52 100644
--- a/dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/support/ClusterUtils.java
+++ b/dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/support/ClusterUtils.java
@@ -71,6 +71,14 @@ public static URL mergeUrl(URL remoteUrl, Map<String, String> localMap) {
             if (dubbo != null && dubbo.length() > 0) {
                 map.put(Constants.DUBBO_VERSION_KEY, dubbo);
             }
+            String defaultVersion = remoteMap.get(Constants.DEFAULT_KEY_PREFIX + Constants.VERSION_KEY);
+            if (defaultVersion != null && defaultVersion.length() > 0) {
+                map.put(Constants.DEFAULT_KEY_PREFIX + Constants.VERSION_KEY, defaultVersion);
+            }
+            String defaultGroup = remoteMap.get(Constants.DEFAULT_KEY_PREFIX + Constants.GROUP_KEY);
+            if (defaultGroup != null && defaultGroup.length() > 0) {
+                map.put(Constants.DEFAULT_KEY_PREFIX + Constants.GROUP_KEY, defaultGroup);
+            }
             String version = remoteMap.get(Constants.VERSION_KEY);
             if (version != null && version.length() > 0) {
                 map.put(Constants.VERSION_KEY, version);