codelipenghui commented on code in PR #22773:
URL: https://github.com/apache/pulsar/pull/22773#discussion_r1621537433
##########
pulsar-client/src/main/java/org/apache/pulsar/client/impl/BinaryProtoLookupService.java:
##########
@@ -256,6 +256,11 @@ private CompletableFuture<PartitionedTopicMetadata>
getPartitionedTopicMetadata(
CompletableFuture<PartitionedTopicMetadata> partitionFuture = new
CompletableFuture<>();
client.getCnxPool().getConnection(socketAddress).thenAccept(clientCnx
-> {
+ if (!metadataAutoCreationEnabled &&
!clientCnx.isSupportsGetPartitionedMetadataWithoutAutoCreation()) {
+ partitionFuture.completeExceptionally(new
PulsarClientException.NotSupportedException("The broker"
+ + " version is too old to support getting partitions
without auto-creation"));
Review Comment:
It's better to use
```
The feature of getting partitions without auto-creation is not supported
from the broker, please upgrade the broker to the latest version.
```
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