chickenchickenlove commented on code in PR #22356:
URL: https://github.com/apache/kafka/pull/22356#discussion_r3356761987
##########
group-coordinator/src/test/java/org/apache/kafka/coordinator/group/GroupMetadataManagerTest.java:
##########
@@ -14150,6 +14321,76 @@ public void
testJoiningConsumerGroupThrowsExceptionIfGroupOverMaxSize() {
assertEquals("The consumer group has reached its maximum capacity of 1
members.", ex.getMessage());
}
+ @Test
+ public void
testStaticMemberCanRejoinConsumerGroupWithClassicProtocolWhenGroupIsFull()
throws Exception {
+ String groupId = "group-id";
+ String oldMemberId = "old-member";
+ String instanceId = "instance-id";
+
+ GroupMetadataManagerTestContext context = new
GroupMetadataManagerTestContext.Builder()
+ .withConsumerGroup(new ConsumerGroupBuilder(groupId, 10)
+ .withMember(new ConsumerGroupMember.Builder(oldMemberId)
+ .setInstanceId(instanceId)
+ .setState(MemberState.STABLE)
+ .setMemberEpoch(LEAVE_GROUP_STATIC_MEMBER_EPOCH)
+ .setPreviousMemberEpoch(9)
+ .build())
+ .withAssignmentEpoch(10))
+ .withConfig(GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SIZE_CONFIG,
1)
+
.withConfig(GroupCoordinatorConfig.CONSUMER_GROUP_MIGRATION_POLICY_CONFIG,
ConsumerGroupMigrationPolicy.DISABLED.toString())
+ .build();
+
+ JoinGroupRequestData request = new
GroupMetadataManagerTestContext.JoinGroupRequestBuilder()
+ .withGroupId(groupId)
+ .withMemberId(UNKNOWN_MEMBER_ID)
+ .withGroupInstanceId(instanceId)
+
.withProtocols(GroupMetadataManagerTestContext.toConsumerProtocol(List.of(),
List.of()))
+ .build();
+
+ GroupMetadataManagerTestContext.JoinResult joinResult =
context.sendClassicGroupJoin(request, true, true);
+ joinResult.appendFuture.complete(null);
Review Comment:
Thanks for your comment!
I've addressed it!
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