[I] [Bug] Consumer reads uncommitted messages from compacted topic [pulsar]

["coderzc (via GitHub)" <gi...@apache.org>]

coderzc opened a new issue, #21464:
URL: https://github.com/apache/pulsar/issues/21464

   ### Search before asking
   
   - [X] I searched in the [issues](https://github.com/apache/pulsar/issues) and found nothing similar.
   
   
   ### Version
   
   master
   
   ### Minimal reproduce step
   
   ```java
           final String topic = "test_transaction_topic_read_compacted";
           admin.topics().createNonPartitionedTopic(topic);
   
           admin.topicPolicies().setCompactionThreshold(topic, 100 * 1024 * 1024);
   
           @Cleanup
           Consumer<String> consumer = this.pulsarClient.newConsumer(Schema.STRING)
                   .topic(topic)
                   .subscriptionName("sub")
                   .subscriptionType(SubscriptionType.Exclusive)
                   .readCompacted(true)
                   .subscribe();
   
           @Cleanup
           Producer<String> producer = this.pulsarClient.newProducer(Schema.STRING)
                   .topic(topic)
                   .create();
   
           producer.newMessage().key("K1").value("V1").send();
   
           Transaction txn = pulsarClient.newTransaction()
                   .withTransactionTimeout(1, TimeUnit.MINUTES).build().get();
           producer.newMessage(txn).key("K2").value("V2").send();
           producer.newMessage(txn).key("K3").value("V3").send();
   
           List<String> messages = new ArrayList<>();
           while (true) {
               Message<String> message = consumer.receive(5, TimeUnit.SECONDS);
               if (message == null) {
                   break;
               }
               messages.add(message.getValue());
           }
   
           Assert.assertEquals(messages, List.of("V1"));
   ```
   
   ### What did you expect to see?
   
   Test pass, the consumer can't read uncommitted messages from compacted topic
   
   ### What did you see instead?
   
   Test failed, the consumer read uncommitted messages from compacted topic
   
   ### Anything else?
   
   _No response_
   
   ### Are you willing to submit a PR?
   
   - [X] I'm willing to submit a PR!


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Re: [I] [Bug] Consumer reads uncommitted messages from compacted topic [pulsar]

["codelipenghui (via GitHub)" <gi...@apache.org>]

codelipenghui closed issue #21464: [Bug] Consumer reads uncommitted messages from compacted topic
URL: https://github.com/apache/pulsar/issues/21464


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