jeqo commented on a change in pull request #10042:
URL: https://github.com/apache/kafka/pull/10042#discussion_r587485775
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File path: core/src/main/scala/kafka/tools/StreamsResetter.java
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@@ -503,7 +506,16 @@ private void resetToDatetime(final Consumer<byte[],
byte[]> client,
final Map<TopicPartition, OffsetAndTimestamp> topicPartitionsAndOffset
= client.offsetsForTimes(topicPartitionsAndTimes);
for (final TopicPartition topicPartition : inputTopicPartitions) {
- client.seek(topicPartition,
topicPartitionsAndOffset.get(topicPartition).offset());
+ final Optional<Long> partitionOffset =
Optional.ofNullable(topicPartitionsAndOffset.get(topicPartition))
+ .map(OffsetAndTimestamp::offset)
+ .filter(offset -> offset !=
ListOffsetsResponse.UNKNOWN_OFFSET);
+ if (partitionOffset.isPresent()) {
+ client.seek(topicPartition, partitionOffset.get());
+ } else {
+ client.seekToEnd(Collections.singletonList(topicPartition));
+ System.out.println("Partition " + topicPartition.partition() +
" from topic " + topicPartition.topic() +
+ " is empty, without a committed record. Falling back
to latest known offset.");
Review comment:
Empty should be clear enough. Will update it in #10092
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