poorbarcode commented on code in PR #23853:
URL: https://github.com/apache/pulsar/pull/23853#discussion_r1919492469
##########
pulsar-client/src/main/java/org/apache/pulsar/client/impl/ProducerImpl.java:
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@@ -2333,7 +2344,7 @@ private void batchMessageAndSend(boolean
shouldScheduleNextBatchFlush) {
}
}
- protected void processOpSendMsg(OpSendMsg op) {
+ protected synchronized void processOpSendMsg(OpSendMsg op) {
Review Comment:
Since the collection `pendingMessages` is not thread-safety, I want to
protect it in the current PR.
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