chia7712 commented on code in PR #19578:
URL: https://github.com/apache/kafka/pull/19578#discussion_r2071933799


##########
clients/src/main/java/org/apache/kafka/clients/consumer/internals/AsyncKafkaConsumer.java:
##########
@@ -1306,7 +1306,10 @@ private Map<TopicPartition, Long> 
beginningOrEndOffset(Collection<TopicPartition
             // and throw timeout exception if it cannot complete in time.
             if (timeout.isZero()) {
                 applicationEventHandler.add(listOffsetsEvent);
-                return listOffsetsEvent.emptyResults();
+                // It is used to align with classic consumer.
+                // When the "timeout == 0", the classic consumer will return 
an empty map.
+                // Therefore, the AsyncKafkaConsumer needs to be consistent 
with it.
+                return new HashMap<>();

Review Comment:
   just FYI - KIP-1140 already cover the case of inconsistent behavior of 
`offsetsForTimes`



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