nodece commented on code in PR #22983:
URL: https://github.com/apache/pulsar/pull/22983#discussion_r1667710677
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pulsar-broker/src/main/java/org/apache/pulsar/broker/service/AbstractReplicator.java:
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@@ -184,8 +187,42 @@ public void startProducer() {
}
log.info("[{}] Starting replicator", replicatorId);
- producerBuilder.createAsync().thenAccept(producer -> {
- setProducerAndTriggerReadEntries(producer);
+ CompletableFuture<Void> checkPartitionsSameFuture = new
CompletableFuture<>();
+ replicationClient.getPartitionedTopicMetadata(remoteTopicName,
false).thenAccept(metadata -> {
+ // If there is an exists partitioned topic on the remote cluster,
report an error.
+ if (metadata.partitions != 0) {
+ log.error("[{}] The partitions count between two clusters is
not the same(remote partitions: {}),"
+ + " the replicator can not be created
successfully: {}", replicatorId, metadata.partitions,
+ state);
+ // This exception will be caught below, so it can be any typed.
+ checkPartitionsSameFuture.completeExceptionally(new
RuntimeException(replicatorId
+ + "Can not replicate data to a partitioned topic."));
+ } else {
+ checkPartitionsSameFuture.complete(null);
+ }
+ }).exceptionally(ex -> {
+ Throwable actEx = FutureUtil.unwrapCompletionException(ex);
+ if (actEx instanceof PulsarClientException.NotFoundException
+ || actEx instanceof
PulsarClientException.TopicDoesNotExistException
+ || actEx instanceof
PulsarAdminException.NotFoundException) {
+ // These 3 error means the topic has not been created on the
remote cluster yet, and the current
+ // replicator will trigger an event to create it. So it is
okay.
+ checkPartitionsSameFuture.complete(null);
+ } else {
+ log.warn("[{}] Failed to create remote producer due to get
partitioned metadata failed",
+ replicatorId, ex);
+ checkPartitionsSameFuture.completeExceptionally(ex);
+ }
+ return null;
+ });
+ checkPartitionsSameFuture.thenCompose(metadata -> {
+ // Force only replicate messages to a non-partitioned topic, to
avoid auto-create a partitioned topic on
+ // the remote cluster.
+ ProducerBuilderImpl builderImpl = (ProducerBuilderImpl)
producerBuilder;
+ builderImpl.getConf().setForceOnoPartitioned(true);
Review Comment:
`forceNoPartitioned` looks confused, what do you think of
`skipPartitionedCheck`?
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