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Posted to commits@pulsar.apache.org by te...@apache.org on 2024/02/20 08:06:16 UTC

(pulsar) branch branch-3.2 updated: [fix][client] Fix ConsumerBuilderImpl#subscribe silent stuck when using pulsar-client:3.0.x with jackson-annotations prior to 2.12.0 (#21985)

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

technoboy pushed a commit to branch branch-3.2
in repository https://gitbox.apache.org/repos/asf/pulsar.git


The following commit(s) were added to refs/heads/branch-3.2 by this push:
     new 07f2586a23f [fix][client] Fix ConsumerBuilderImpl#subscribe silent stuck when using pulsar-client:3.0.x with jackson-annotations prior to 2.12.0 (#21985)
07f2586a23f is described below

commit 07f2586a23ffba765128d2dee874faf7a6dc8713
Author: 萧易客 <km...@live.com>
AuthorDate: Tue Jan 30 19:20:29 2024 +0800

    [fix][client] Fix ConsumerBuilderImpl#subscribe silent stuck when using pulsar-client:3.0.x with jackson-annotations prior to 2.12.0 (#21985)
    
    ### Motivation
    In summary, `jackson-annotations:2.12.0` or later is now required for `pulsar-client 3.0.x`, and this also applies to versions `3.1.x` and `3.2.x`.
    
    Otherwise, `ConsumerBuilderImpl#subscribe` may become stuck without displaying any error message.
    
    ### Modifications
    
    Modify the `whenComplete` to a combination of `thenAccept` and `exceptionally`. The modification is harmless.
---
 .../apache/pulsar/client/impl/MultiTopicsConsumerImpl.java | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 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 baabaf67070..84504b632ad 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
@@ -1025,13 +1025,13 @@ public class MultiTopicsConsumerImpl<T> extends ConsumerBase<T> {
 
     private void subscribeTopicPartitions(CompletableFuture<Void> subscribeResult, String topicName, int numPartitions,
             boolean createIfDoesNotExist) {
-        client.preProcessSchemaBeforeSubscribe(client, schema, topicName).whenComplete((schema, cause) -> {
-            if (null == cause) {
-                doSubscribeTopicPartitions(schema, subscribeResult, topicName, numPartitions, createIfDoesNotExist);
-            } else {
-                subscribeResult.completeExceptionally(cause);
-            }
-        });
+        client.preProcessSchemaBeforeSubscribe(client, schema, topicName)
+                .thenAccept(schema -> {
+                    doSubscribeTopicPartitions(schema, subscribeResult, topicName, numPartitions, createIfDoesNotExist);
+                }).exceptionally(cause -> {
+                    subscribeResult.completeExceptionally(cause);
+                    return null;
+                });
     }
 
     private void doSubscribeTopicPartitions(Schema<T> schema,