Fixed - different topics subscribed to the same Redis node in Cluster.

redisson/src/main/java/org/redisson/connection/MasterSlaveConnectionManager.java

@@ -586,6 +586,8 @@ public class MasterSlaveConnectionManager implements ConnectionManager {
             entry.getAllEntries().forEach(e -> entry.nodeDown(e));
             entry.masterDown();
             entry.shutdownAsync();
+            subscribeService.remove(entry);
+
             String slaves = entry.getAllEntries().stream()
                     .filter(e -> !e.getClient().getAddr().equals(entry.getClient().getAddr()))
                     .map(e -> e.getClient().toString())

redisson/src/main/java/org/redisson/pubsub/PublishSubscribeService.java

@@ -400,6 +400,10 @@ public class PublishSubscribeService {
         return result;
     }
 
+    public void remove(MasterSlaveEntry entry) {
+        freePubSubMap.remove(entry);
+    }
+
     public RFuture<Codec> unsubscribe(ChannelName channelName, PubSubType topicType) {
         if (connectionManager.isShuttingDown()) {
             return RedissonPromise.newSucceededFuture(null);