michaeljmarshall commented on code in PR #17411:
URL: https://github.com/apache/pulsar/pull/17411#discussion_r997707881


##########
managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ManagedLedgerImpl.java:
##########
@@ -2361,8 +2361,11 @@ private void 
maybeOffloadInBackground(CompletableFuture<PositionImpl> promise) {
         if (config.getLedgerOffloader() != null
                 && config.getLedgerOffloader() != NullLedgerOffloader.INSTANCE
                 && config.getLedgerOffloader().getOffloadPolicies() != null
-                && 
config.getLedgerOffloader().getOffloadPolicies().getManagedLedgerOffloadThresholdInBytes()
 != null
-                && 
config.getLedgerOffloader().getOffloadPolicies().getManagedLedgerOffloadThresholdInBytes()
 >= 0) {
+                && 
((config.getLedgerOffloader().getOffloadPolicies().getManagedLedgerOffloadThresholdInBytes()
 != null
+                && 
config.getLedgerOffloader().getOffloadPolicies().getManagedLedgerOffloadThresholdInBytes()
 >= 0)
+                || 
(config.getLedgerOffloader().getOffloadPolicies().getManagedLedgerOffloadThresholdInMillis()
 != null
+                && 
config.getLedgerOffloader().getOffloadPolicies().getManagedLedgerOffloadThresholdInMillis()
 >= 0))

Review Comment:
   I think the changes made in this file might belong in a separate PR. Would 
you mind making a separate PR for them?



##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/ServerCnx.java:
##########
@@ -1089,12 +1091,25 @@ protected void handleSubscribe(final CommandSubscribe 
subscribe) {
                 }
                 Optional<Map<String, String>> subscriptionProperties = 
SubscriptionOption.getPropertiesMap(
                         subscribe.getSubscriptionPropertiesList());
+
+                boolean createTopicIfDoesNotExist = forceTopicCreation || 
(isAuthorizedToCreateTopic
+                        && 
service.isAllowAutoTopicCreation(topicName.toString()));

Review Comment:
   I think we want the following in order to retain the existing logic:
   
   ```suggestion
                   boolean createTopicIfDoesNotExist = 
isAuthorizedToCreateTopic || (forceTopicCreation
                           && 
service.isAllowAutoTopicCreation(topicName.toString()));
   ```



##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/ServerCnx.java:
##########
@@ -1307,7 +1326,25 @@ protected void handleProducer(final CommandProducer 
cmdProducer) {
                         producerId, schema == null ? "absent" : "present");
             }
 
-            service.getOrCreateTopic(topicName.toString()).thenCompose((Topic 
topic) -> {
+            boolean createTopicIfDoesNotExist = isAuthorizedToCreateTopic
+                    && service.isAllowAutoTopicCreation(topicName.toString());
+            service.getTopic(topicName.toString(), 
createTopicIfDoesNotExist).thenCompose(optTopic -> {
+                if (optTopic.isEmpty()) {
+                    if (isAuthorizedToCreateTopic) {
+                        return FutureUtil
+                                .failedFuture(new TopicNotFoundException(
+                                        "Topic " + topicName + " does not 
exist"));
+                    } else {
+                        String msg = "Topic to produce does not exists and the 
Client is not"
+                                + " authorized to create topic";
+                        log.warn("[{}] {} with role {}", remoteAddress, msg, 
getPrincipal());
+                        ctx.writeAndFlush(Commands.newError(requestId, 
ServerError.AuthorizationError,
+                                msg));
+                        return null;

Review Comment:
   Similarly, we need to throw an exception here. The error handling includes 
handling the dangling `producer` future, and we need to do that to prevent a 
build up of unnecessary futures.



##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/ServerCnx.java:
##########
@@ -1089,12 +1091,25 @@ protected void handleSubscribe(final CommandSubscribe 
subscribe) {
                 }
                 Optional<Map<String, String>> subscriptionProperties = 
SubscriptionOption.getPropertiesMap(
                         subscribe.getSubscriptionPropertiesList());
+
+                boolean createTopicIfDoesNotExist = forceTopicCreation || 
(isAuthorizedToCreateTopic
+                        && 
service.isAllowAutoTopicCreation(topicName.toString()));
                 service.getTopic(topicName.toString(), 
createTopicIfDoesNotExist)
                         .thenCompose(optTopic -> {
                             if (!optTopic.isPresent()) {
-                                return FutureUtil
-                                        .failedFuture(new 
TopicNotFoundException(
-                                                "Topic " + topicName + " does 
not exist"));
+                                if (isAuthorizedToCreateTopic) {
+                                    return FutureUtil
+                                            .failedFuture(new 
TopicNotFoundException(
+                                                    "Topic " + topicName + " 
does not exist"));
+                                } else {
+                                    String msg = "Topic to subscribe does not 
exists and the Client is not"
+                                            + " authorized to create topic";
+                                    log.warn("[{}] {} with role {}", 
remoteAddress, msg, getPrincipal());
+                                    consumers.remove(consumerId, 
consumerFuture);
+                                    
ctx.writeAndFlush(Commands.newError(requestId, ServerError.AuthorizationError,
+                                            msg));
+                                    return null;

Review Comment:
   I don't think returning `null` here will give the desired behavior unless we 
modify the `thenAccept` block. It seems like the current paradigm in this 
section of the code is to throw an exception, so I think it would be 
appropriate to do that here.



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