BewareMyPower commented on code in PR #16043:
URL: https://github.com/apache/pulsar/pull/16043#discussion_r896341600
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java:
##########
@@ -4085,9 +4085,21 @@ public static
CompletableFuture<PartitionedTopicMetadata> unsafeGetPartitionedTo
}
metadataFuture.complete(metadata);
}).exceptionally(ex -> {
- metadataFuture.completeExceptionally(ex.getCause());
- return null;
- });
+ if (ex.getCause() instanceof
MetadataStoreException.AlreadyExistsException) {
+ // The partitioned topic might be created concurrently
+
pulsar.getBrokerService().fetchPartitionedTopicMetadataAsync(topicName)
Review Comment:
Good suggestions. I was concerned about the effect on other places before.
But it should be the right behavior for it, including the admin operations.
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