mattisonchao commented on a change in pull request #13745:
URL: https://github.com/apache/pulsar/pull/13745#discussion_r784479738
##########
File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java
##########
@@ -1137,26 +1137,29 @@ private void resumeAsyncResponse(AsyncResponse
asyncResponse, Set<String> subscr
}
private void internalGetSubscriptionsForNonPartitionedTopic(AsyncResponse
asyncResponse, boolean authoritative) {
- try {
- validateTopicOwnership(topicName, authoritative);
- validateTopicOperation(topicName,
TopicOperation.GET_SUBSCRIPTIONS);
-
- Topic topic = getTopicReference(topicName);
- final List<String> subscriptions = Lists.newArrayList();
- topic.getSubscriptions().forEach((subName, sub) ->
subscriptions.add(subName));
- asyncResponse.resume(subscriptions);
- } catch (WebApplicationException wae) {
- if (log.isDebugEnabled()) {
- log.debug("[{}] Failed to get subscriptions for
non-partitioned topic {},"
- + " redirecting to other brokers.",
- clientAppId(), topicName, wae);
- }
- resumeAsyncResponseExceptionally(asyncResponse, wae);
- return;
- } catch (Exception e) {
- log.error("[{}] Failed to get list of subscriptions for {}",
clientAppId(), topicName, e);
- resumeAsyncResponseExceptionally(asyncResponse, e);
- }
+ validateTopicOwnershipAsync(topicName, authoritative)
+ .thenCompose(__ -> {
+ validateTopicOperation(topicName,
TopicOperation.GET_SUBSCRIPTIONS);
+ return getTopicReferenceAsync(topicName);
+ })
+ .thenAccept(topic -> {
+ final List<String> subscriptions = new
ArrayList<>(topic.getSubscriptions().keys());
+ asyncResponse.resume(subscriptions);
+ }).exceptionally(ex -> {
+ Throwable cause = ex.getCause();
+ if (cause instanceof WebApplicationException) {
+ if (log.isDebugEnabled() && ((WebApplicationException)
cause).getResponse().getStatus()
Review comment:
Fixed, PTAL : )
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