yx9o commented on code in PR #9554:
URL: https://github.com/apache/rocketmq/pull/9554#discussion_r2217307043
##########
broker/src/main/java/org/apache/rocketmq/broker/client/ConsumerManager.java:
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@@ -386,11 +387,7 @@ public void scanNotActiveChannel() {
}
public HashSet<String> queryTopicConsumeByWho(final String topic) {
- HashSet<String> groups = new HashSet<>();
- if (this.topicGroupTable.get(topic) != null) {
- groups.addAll(this.topicGroupTable.get(topic));
- }
- return groups;
+ return new
HashSet<>(Optional.ofNullable(topicGroupTable.get(topic)).orElse(new
HashSet<>()));
Review Comment:
Thank you, it has been updated, please review again.
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