chia7712 commented on a change in pull request #10017:
URL: https://github.com/apache/kafka/pull/10017#discussion_r568411777
##########
File path:
clients/src/main/java/org/apache/kafka/clients/consumer/KafkaConsumer.java
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@@ -1948,7 +1948,7 @@ public OffsetAndMetadata committed(TopicPartition
partition, final Duration time
Timer timer = time.timer(timeout);
Map<String, List<PartitionInfo>> topicMetadata =
fetcher.getTopicMetadata(
new
MetadataRequest.Builder(Collections.singletonList(topic),
metadata.allowAutoTopicCreation()), timer);
- return topicMetadata.get(topic);
+ return topicMetadata.getOrDefault(topic, Collections.emptyList());
Review comment:
BTW, it is worth writing docs for this case (return empty list).
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