RobertIndie commented on a change in pull request #13355:
URL: https://github.com/apache/pulsar/pull/13355#discussion_r795046861



##########
File path: 
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/ServerCnx.java
##########
@@ -1236,7 +1238,30 @@ protected void handleProducer(final CommandProducer 
cmdProducer) {
                     });
 
                     schemaVersionFuture.thenAccept(schemaVersion -> {
-                        
topic.checkIfTransactionBufferRecoverCompletely(isTxnEnabled).thenAccept(future 
-> {
+                        
topic.checkIfTransactionBufferRecoverCompletely(isTxnEnabled).thenCompose(future
 -> {
+                            if (Strings.isNullOrEmpty(initialSubscriptionName)
+                                    || 
topic.getSubscriptions().containsKey(initialSubscriptionName)
+                                    || !topic.isPersistent()) {
+                                return CompletableFuture.completedFuture(null);
+                            }
+                            return isTopicOperationAllowed(
+                                    topicName, TopicOperation.SUBSCRIBE
+                            ).thenCompose(canSubscribe -> {
+                                if (!canSubscribe) {
+                                    log.warn(
+                                            "[{}] Could not create the initial 
subscription {} for topic {}. Client "
+                                                    + "is not authorized to 
subscribe with role {}",
+                                            remoteAddress, 
initialSubscriptionName, topicName, getPrincipal());
+                                    return 
CompletableFuture.completedFuture(null);

Review comment:
       I added the `ProducerInitSubAuthorizationException` to handle this.




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