codelipenghui commented on code in PR #20573:
URL: https://github.com/apache/pulsar/pull/20573#discussion_r1228809167


##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/ServerCnx.java:
##########
@@ -1243,20 +1243,11 @@ protected void handleSubscribe(final CommandSubscribe 
subscribe) {
                                 return topic.subscribe(option);
                             }
                         })
-                        .thenAccept(consumer -> {
-                            if (consumerFuture.complete(consumer)) {
-                                log.info("[{}] Created subscription on topic 
{} / {}",
-                                        remoteAddress, topicName, 
subscriptionName);
-                                commandSender.sendSuccessResponse(requestId);
-                                if (brokerInterceptor != null) {
-                                    try {
-                                        
brokerInterceptor.consumerCreated(this, consumer, metadata);
-                                    } catch (Throwable t) {
-                                        log.error("Exception occur when 
intercept consumer created.", t);
-                                    }
-                                }
-                            } else {
-                                // The consumer future was completed before by 
a close command
+                        .thenAcceptAsync(consumer -> {
+                            if (consumerFuture.complete(consumer) || 
!isActive()) {

Review Comment:
   ```suggestion
                               if (!consumerFuture.complete(consumer) || 
!isActive()) {
   ```



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