[GitHub] [kafka] soarez commented on a diff in pull request #13777: KAFKA-15036: UnknownServerError on any leader failover

["soarez (via GitHub)" <gi...@apache.org>]

soarez commented on code in PR #13777:
URL: https://github.com/apache/kafka/pull/13777#discussion_r1209972559


##########
metadata/src/main/java/org/apache/kafka/controller/QuorumController.java:
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@@ -2028,8 +2028,11 @@ public CompletableFuture<FinalizedControllerFeatures> finalizedFeatures(
         if (lastCommittedOffset == -1) {
             return CompletableFuture.completedFuture(new FinalizedControllerFeatures(Collections.emptyMap(), -1));
         }
+        // It's possible for a standby controller to receiving ApiVersionRequest and we do not have any timeline snapshot

Review Comment:
   ```suggestion
           // It's possible for a standby controller to receive a ApiVersionRequest and we do not have any timeline snapshot
   ```



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