showuon commented on a change in pull request #11451:
URL: https://github.com/apache/kafka/pull/11451#discussion_r771181062
##########
File path:
clients/src/main/java/org/apache/kafka/clients/consumer/internals/ConsumerCoordinator.java
##########
@@ -755,18 +755,17 @@ protected void onJoinPrepare(int generation, String
memberId) {
@Override
public void onLeavePrepare() {
- // Save the current Generation and use that to get the memberId, as
the hb thread can change it at any time
+ // Save the current Generation, as the hb thread can change it at any
time
final Generation currentGeneration = generation();
- final String memberId = currentGeneration.memberId;
- log.debug("Executing onLeavePrepare with generation {} and memberId
{}", currentGeneration, memberId);
+ log.debug("Executing onLeavePrepare with generation {}",
currentGeneration);
// we should reset assignment and trigger the callback before leaving
group
Set<TopicPartition> droppedPartitions = new
HashSet<>(subscriptions.assignedPartitions());
if (subscriptions.hasAutoAssignedPartitions() &&
!droppedPartitions.isEmpty()) {
final Exception e;
- if (generation() == Generation.NO_GENERATION ||
rebalanceInProgress()) {
+ if (currentGeneration.equals(Generation.NO_GENERATION) ||
rebalanceInProgress()) {
Review comment:
David, you're right! I was focusing on fixing the `==` error here. Yes,
we should be consistent with `onJoinPrepare`
[here](https://github.com/apache/kafka/blob/1beb3bd5160c9cc950a541b02684f2fd53ea8da2/clients/src/main/java/org/apache/kafka/clients/consumer/internals/ConsumerCoordinator.java#L708-L718),
to invoke PartitionsLost when
```
generation == Generation.NO_GENERATION.generationId ||
memberId.equals(Generation.NO_GENERATION.memberId)
```
Otherwise, invoke PartitionsRevoked.
I'll update it later. Thank you.
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