poorbarcode commented on code in PR #20128:
URL: https://github.com/apache/pulsar/pull/20128#discussion_r1170768645


##########
pulsar-broker/src/test/java/org/apache/pulsar/broker/service/ReplicatorTest.java:
##########
@@ -1756,4 +1763,93 @@ public void testReplicatorProducerNotExceed() throws 
Exception {
 
         Assert.assertThrows(PulsarClientException.ProducerBusyException.class, 
() -> new MessageProducer(url2, dest2));
     }
+
+    @Test
+    public void testDiscontinuousMessages() throws Exception {

Review Comment:
   Hi @codelipenghui 
   
   > What kind of exceptions will happen to the producer? IMO, we should use 
infinite publish timeout, if the exception is not publish timeout, it should 
not be a retriable exception. We should stop the replication.
   
   My description of the scene wasn't good, it is not an `exception` for 
sending messages. Now there are two scenarios:
   - the schema of messages is loading. see Code-1 below
   - something wrong when processing `replicateEntries`. see Code-2 below
   
   
   #### Code-1
   
https://github.com/apache/pulsar/blob/master/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/GeoPersistentReplicator.java#L160-L179
   
   #### Code-2
   
https://github.com/apache/pulsar/blob/master/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/GeoPersistentReplicator.java#L190-L192
   
   
   I opened a comment list to easily track the context(^_^).
   
   
   



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