(pulsar) branch branch-2.10 updated: [fix][broker]Fix NonPersistentDispatcherMultipleConsumers ArrayIndexOutOfBoundsException (#21856)

[technoboy]

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technoboy pushed a commit to branch branch-2.10
in repository https://gitbox.apache.org/repos/asf/pulsar.git


The following commit(s) were added to refs/heads/branch-2.10 by this push:
     new 5931c052e80 [fix][broker]Fix NonPersistentDispatcherMultipleConsumers 
ArrayIndexOutOfBoundsException (#21856)
5931c052e80 is described below

commit 5931c052e8013248de3862ddb5ea38e4399f03c8
Author: Jiwei Guo <techno...@apache.org>
AuthorDate: Mon Jan 8 09:19:41 2024 +0800

    [fix][broker]Fix NonPersistentDispatcherMultipleConsumers 
ArrayIndexOutOfBoundsException (#21856)
---
 .../service/nonpersistent/NonPersistentDispatcherMultipleConsumers.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentDispatcherMultipleConsumers.java
 
b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentDispatcherMultipleConsumers.java
index 1d74d00776d..da48fa61b0b 100644
--- 
a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentDispatcherMultipleConsumers.java
+++ 
b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentDispatcherMultipleConsumers.java
@@ -182,7 +182,7 @@ public class NonPersistentDispatcherMultipleConsumers 
extends AbstractDispatcher
     }
 
     @Override
-    public void sendMessages(List<Entry> entries) {
+    public synchronized void sendMessages(List<Entry> entries) {
         Consumer consumer = TOTAL_AVAILABLE_PERMITS_UPDATER.get(this) > 0 ? 
getNextConsumer() : null;
         if (consumer != null) {
             SendMessageInfo sendMessageInfo = SendMessageInfo.getThreadLocal();