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commit 6f803780adf920fb4c934a03785f2aeef0efa778 Author: WangJialing <[email protected]> AuthorDate: Fri Jul 29 22:30:23 2022 +0800 fix PatternTopicsChangedListener blocked when topic removed (#16842) (cherry picked from commit 2d6b534ef72824ffb5b2f76568ca8346bbc058c6) --- .../org/apache/pulsar/client/impl/MultiTopicsConsumerImpl.java | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/MultiTopicsConsumerImpl.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/MultiTopicsConsumerImpl.java index d19f8b8e892..c9c19ea5fa3 100644 --- a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/MultiTopicsConsumerImpl.java +++ b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/MultiTopicsConsumerImpl.java @@ -1109,7 +1109,9 @@ public class MultiTopicsConsumerImpl<T> extends ConsumerBase<T> { }); removeTopic(topicName); - ((UnAckedTopicMessageTracker) unAckedMessageTracker).removeTopicMessages(topicName); + if (unAckedMessageTracker instanceof UnAckedTopicMessageTracker) { + ((UnAckedTopicMessageTracker) unAckedMessageTracker).removeTopicMessages(topicName); + } unsubscribeFuture.complete(null); log.info("[{}] [{}] [{}] Unsubscribed Topics Consumer, allTopicPartitionsNumber: {}", @@ -1157,7 +1159,9 @@ public class MultiTopicsConsumerImpl<T> extends ConsumerBase<T> { }); removeTopic(topicName); - ((UnAckedTopicMessageTracker) unAckedMessageTracker).removeTopicMessages(topicName); + if (unAckedMessageTracker instanceof UnAckedTopicMessageTracker) { + ((UnAckedTopicMessageTracker) unAckedMessageTracker).removeTopicMessages(topicName); + } unsubscribeFuture.complete(null); log.info("[{}] [{}] [{}] Removed Topics Consumer, allTopicPartitionsNumber: {}",
