MarcoLotz commented on a change in pull request #10042:
URL: https://github.com/apache/kafka/pull/10042#discussion_r571617491
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File path: core/src/main/scala/kafka/tools/StreamsResetter.java
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@@ -503,7 +505,15 @@ 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);
Review comment:
You are right. ListOffsetsResponse.UNKNOWN_OFFSET value is -1. Clearly
it's not enough to check if it is null (the cause of the NPE bug) but also we
need to make sure that it is not ListOffsetsResponse.UNKNOWN_OFFSET value.
I have added a filter to the Optional.
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