gaozhangmin commented on a change in pull request #13882:
URL: https://github.com/apache/pulsar/pull/13882#discussion_r790436974
##########
File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java
##########
@@ -4098,39 +4098,41 @@ private void validateNonPartitionTopicName(String
topicName) {
}
protected void internalGetLastMessageId(AsyncResponse asyncResponse,
boolean authoritative) {
- Topic topic;
- try {
- validateTopicOwnership(topicName, authoritative);
- validateTopicOperation(topicName, TopicOperation.PEEK_MESSAGES);
- topic = getTopicReference(topicName);
- } catch (WebApplicationException wae) {
- if (log.isDebugEnabled()) {
- log.debug("[{}] Failed to get last messageId {}, redirecting
to other brokers.",
- clientAppId(), topicName, wae);
- }
- resumeAsyncResponseExceptionally(asyncResponse, wae);
- return;
- } catch (Exception e) {
- log.error("[{}] Failed to get last messageId {}", clientAppId(),
topicName, e);
- resumeAsyncResponseExceptionally(asyncResponse, e);
- return;
- }
-
- if (!(topic instanceof PersistentTopic)) {
- log.error("[{}] Not supported operation of non-persistent topic
{}", clientAppId(), topicName);
- asyncResponse.resume(new RestException(Status.METHOD_NOT_ALLOWED,
- "GetLastMessageId on a non-persistent topic is not
allowed"));
- return;
- }
-
- topic.getLastMessageId().whenComplete((v, e) -> {
- if (e != null) {
- asyncResponse.resume(new
RestException(Status.INTERNAL_SERVER_ERROR, e.getMessage()));
- } else {
- asyncResponse.resume(v);
- }
+ validateTopicOwnershipAsync(topicName, authoritative)
+ .thenCompose(__ -> validateTopicOperationAsync(topicName,
TopicOperation.PEEK_MESSAGES))
+ .thenCompose(__ -> getTopicReferenceAsync(topicName))
+ .thenAccept(topic -> {
+ if (topic == null) {
+ asyncResponse.resume(new
RestException(Status.NOT_FOUND, "Topic not found"));
+ return;
+ }
+ if (!(topic instanceof PersistentTopic)) {
+ log.error("[{}] Not supported operation of
non-persistent topic {}", clientAppId(), topicName);
+ asyncResponse.resume(new
RestException(Status.METHOD_NOT_ALLOWED,
+ "GetLastMessageId on a non-persistent topic is
not allowed"));
+ }
+ topic.getLastMessageId().whenComplete((v, e) -> {
+ if (e != null) {
+ asyncResponse.resume(new
RestException(Status.INTERNAL_SERVER_ERROR, e.getMessage()));
+ } else {
+ asyncResponse.resume(v);
+ }
+ });
+ }).exceptionally(ex -> {
+ Throwable cause = ex.getCause();
Review comment:
@Jason918 PTAL again
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