hachikuji commented on a change in pull request #8841:
URL: https://github.com/apache/kafka/pull/8841#discussion_r441115973
##########
File path:
clients/src/main/java/org/apache/kafka/clients/consumer/internals/Fetcher.java
##########
@@ -675,36 +676,40 @@ private ListOffsetResult
fetchOffsetsByTimes(Map<TopicPartition, Long> timestamp
completedFetch.partition);
} else {
FetchPosition position =
subscriptions.position(completedFetch.partition);
- if (completedFetch.nextFetchOffset == position.offset) {
- List<ConsumerRecord<K, V>> partRecords =
completedFetch.fetchRecords(maxRecords);
-
- log.trace("Returning {} fetched records at offset {} for
assigned partition {}",
- partRecords.size(), position,
completedFetch.partition);
-
- if (completedFetch.nextFetchOffset > position.offset) {
- FetchPosition nextPosition = new FetchPosition(
- completedFetch.nextFetchOffset,
- completedFetch.lastEpoch,
- position.currentLeader);
- log.trace("Update fetching position to {} for partition
{}", nextPosition, completedFetch.partition);
- subscriptions.position(completedFetch.partition,
nextPosition);
- }
+ if (position != null) {
Review comment:
nit: maybe we could check for null first so that we avoid the nesting
below (and reduce the diff)
```java
if (position == null)
throw new IllegalStateException("Missing position for fetchable partition
" + completedFetch.partition);
if (completedFetch.nextFetchOffset == position.offset) {
...
```
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