lianetm commented on code in PR #14690:
URL: https://github.com/apache/kafka/pull/14690#discussion_r1395929369
##########
clients/src/main/java/org/apache/kafka/clients/consumer/internals/MembershipManagerImpl.java:
##########
@@ -181,63 +359,592 @@ public void
updateState(ConsumerGroupHeartbeatResponseData response) {
public void transitionToFenced() {
resetEpoch();
transitionTo(MemberState.FENCED);
+
+ // Release assignment
+ CompletableFuture<Void> callbackResult =
invokeOnPartitionsLostCallback(subscriptions.assignedPartitions());
+ callbackResult.whenComplete((result, error) -> {
+ if (error != null) {
+ log.error("onPartitionsLost callback invocation failed while
releasing assignment" +
+ "after member got fenced. Member will rejoin the group
anyways.", error);
+ }
+ subscriptions.assignFromSubscribed(Collections.emptySet());
+ transitionToJoining();
+ });
+
+ clearPendingAssignmentsAndLocalNamesCache();
}
/**
* {@inheritDoc}
*/
@Override
- public void transitionToFailed() {
- log.error("Member {} transitioned to {} state", memberId,
MemberState.FAILED);
- transitionTo(MemberState.FAILED);
+ public void transitionToFatal() {
+ log.error("Member {} transitioned to {} state", memberId,
MemberState.FATAL);
+
+ // Update epoch to indicate that the member is not in the group
anymore, so that the
+ // onPartitionsLost is called to release assignment.
+ memberEpoch = ConsumerGroupHeartbeatRequest.LEAVE_GROUP_MEMBER_EPOCH;
+ CompletableFuture<Void> callbackResult =
invokeOnPartitionsLostCallback(subscriptions.assignedPartitions());
+ callbackResult.whenComplete((result, error) -> {
+ if (error != null) {
+ log.error("onPartitionsLost callback invocation failed while
releasing assignment" +
+ "after member failed with fatal error.", error);
+ }
+ });
+ subscriptions.assignFromSubscribed(Collections.emptySet());
+ clearPendingAssignmentsAndLocalNamesCache();
+ transitionTo(MemberState.FATAL);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public void onSubscriptionUpdated() {
+ if (state == MemberState.UNSUBSCRIBED) {
+ transitionToJoining();
+ }
+ // TODO: If the member is already part of the group, this should only
ensure that the
+ // updated subscription is included in the next heartbeat request.
Review Comment:
Agree that the next HB will pick it up based on the interval (also not
seeing much need/value in the forced HB). Removed the TODO.
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