Should not update Known nodes when refreshed topology is empty

Closes redis#3017
jiajunsu · Oct 18, 2024 · 43a70f2 · 43a70f2
1 parent d255b1a
commit 43a70f2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/main/java/io/lettuce/core/masterreplica/SentinelConnector.java b/src/main/java/io/lettuce/core/masterreplica/SentinelConnector.java
@@ -120,7 +120,8 @@ private Runnable getTopologyRefreshRunnable(MasterReplicaTopologyRefresh refresh
                     EventRecorder.getInstance().record(new MasterReplicaTopologyChangedEvent(redisURI, nodes));
 
                     if (nodes.isEmpty()) {
-                        LOG.warn("Topology refresh returned no nodes from {}", redisURI);
+                        LOG.warn("Topology refresh returned no nodes from {}, skip refresh Known nodes", redisURI);
+                        return;
                     }
 
                     LOG.debug("New topology: {}", nodes);