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Posted to commits@pulsar.apache.org by ma...@apache.org on 2022/08/04 10:05:00 UTC

[pulsar] 02/03: fix PatternTopicsChangedListener blocked when topic removed (#16842)

This is an automated email from the ASF dual-hosted git repository.

mattisonchao pushed a commit to branch branch-2.9
in repository https://gitbox.apache.org/repos/asf/pulsar.git

commit ccb6140190203e51e68e17a9bfe3a758b2fda883
Author: WangJialing <65...@users.noreply.github.com>
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 6bfbb71c72c..aad4c622734 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: {}",