Jason918 opened a new issue #13360:
URL: https://github.com/apache/pulsar/issues/13360
**Describe the bug**
Produce chunk messages failed when topic level maxMessageSize is set.
See details in the following unit test case.
**To Reproduce**
See this new unit test code in
org.apache.pulsar.broker.admin.TopicPoliciesTest
```
@Test
public void testMaxMessageSizeWithChunking() throws Exception {
this.conf.setMaxMessageSize(10);
@Cleanup
Producer<byte[]> producer = pulsarClient.newProducer()
.topic(persistenceTopic)
.enableChunking(true)
.enableBatching(false)
.create();
PersistentTopic topic = (PersistentTopic)
pulsar.getBrokerService().getTopic(persistenceTopic,false).join().get();
byte[] data = new byte[100];
producer.send(data);
// success with maxMessageSize is 10
admin.topicPolicies().setMaxMessageSize(persistenceTopic, 10);
Awaitility.await().untilAsserted(() -> {
Assert.assertEquals((int)
topic.getHierarchyTopicPolicies().getTopicMaxMessageSize().get(), 10);
});
producer.send(data);
// failed with maxMessageSize is 9
admin.topicPolicies().setMaxMessageSize(persistenceTopic, 9);
Awaitility.await().untilAsserted(() -> {
Assert.assertEquals((int)
topic.getHierarchyTopicPolicies().getTopicMaxMessageSize().get(), 9);
});
producer.send(data);
}
producer.send(data);
}
```
**Expected behavior**
Chunking should work fine if we change maxMessageSize.
**Screenshots**
NA
**Desktop (please complete the following information):**
- OS: macOS
**Additional context**
NA
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