Examples with JoinGroupResponseData org.apache.kafka.common.message.JoinGroupResponseData used on opensource projects

Example 1 with JoinGroupResponseData

use of org.apache.kafka.common.message.JoinGroupResponseData in project kafka by apache.

the class RequestResponseTest method createJoinGroupResponse.

private JoinGroupResponse createJoinGroupResponse(short version) {
    List<JoinGroupResponseData.JoinGroupResponseMember> members = new ArrayList<>();
    for (int i = 0; i < 2; i++) {
        JoinGroupResponseMember member = new JoinGroupResponseData.JoinGroupResponseMember().setMemberId("consumer" + i).setMetadata(new byte[0]);
        if (version >= 5)
            member.setGroupInstanceId("instance" + i);
        members.add(member);
    }
    JoinGroupResponseData data = new JoinGroupResponseData().setErrorCode(Errors.NONE.code()).setGenerationId(1).setProtocolType(// Added in v7 but ignorable
    "consumer").setProtocolName("range").setLeader("leader").setMemberId("consumer1").setMembers(members);
    // v1 and above could set throttle time
    if (version >= 1)
        data.setThrottleTimeMs(1000);
    return new JoinGroupResponse(data);
}

Example 2 with JoinGroupResponseData

use of org.apache.kafka.common.message.JoinGroupResponseData in project kafka by apache.

the class KafkaConsumerTest method testShouldAttemptToRejoinGroupAfterSyncGroupFailed.

@Test
public void testShouldAttemptToRejoinGroupAfterSyncGroupFailed() throws Exception {
    ConsumerMetadata metadata = createMetadata(subscription);
    MockClient client = new MockClient(time, metadata);
    initMetadata(client, Collections.singletonMap(topic, 1));
    Node node = metadata.fetch().nodes().get(0);
    KafkaConsumer<String, String> consumer = newConsumer(time, client, subscription, metadata, assignor, false, groupInstanceId);
    consumer.subscribe(singleton(topic), getConsumerRebalanceListener(consumer));
    client.prepareResponseFrom(FindCoordinatorResponse.prepareResponse(Errors.NONE, groupId, node), node);
    Node coordinator = new Node(Integer.MAX_VALUE - node.id(), node.host(), node.port());
    client.prepareResponseFrom(joinGroupFollowerResponse(assignor, 1, memberId, leaderId, Errors.NONE), coordinator);
    client.prepareResponseFrom(syncGroupResponse(singletonList(tp0), Errors.NONE), coordinator);
    client.prepareResponseFrom(fetchResponse(tp0, 0, 1), node);
    client.prepareResponseFrom(fetchResponse(tp0, 1, 0), node);
    consumer.updateAssignmentMetadataIfNeeded(time.timer(Long.MAX_VALUE));
    consumer.poll(Duration.ZERO);
    // heartbeat fails due to rebalance in progress
    client.prepareResponseFrom(body -> true, new HeartbeatResponse(new HeartbeatResponseData().setErrorCode(Errors.REBALANCE_IN_PROGRESS.code())), coordinator);
    // join group
    final ByteBuffer byteBuffer = ConsumerProtocol.serializeSubscription(new ConsumerPartitionAssignor.Subscription(singletonList(topic)));
    // This member becomes the leader
    final JoinGroupResponse leaderResponse = new JoinGroupResponse(new JoinGroupResponseData().setErrorCode(Errors.NONE.code()).setGenerationId(1).setProtocolName(assignor.name()).setLeader(memberId).setMemberId(memberId).setMembers(Collections.singletonList(new JoinGroupResponseData.JoinGroupResponseMember().setMemberId(memberId).setMetadata(byteBuffer.array()))));
    client.prepareResponseFrom(leaderResponse, coordinator);
    // sync group fails due to disconnect
    client.prepareResponseFrom(syncGroupResponse(singletonList(tp0), Errors.NONE), coordinator, true);
    // should try and find the new coordinator
    client.prepareResponseFrom(FindCoordinatorResponse.prepareResponse(Errors.NONE, groupId, node), node);
    // rejoin group
    client.prepareResponseFrom(joinGroupFollowerResponse(assignor, 1, memberId, leaderId, Errors.NONE), coordinator);
    client.prepareResponseFrom(syncGroupResponse(singletonList(tp0), Errors.NONE), coordinator);
    client.prepareResponseFrom(body -> body instanceof FetchRequest && ((FetchRequest) body).fetchData(topicNames).containsKey(new TopicIdPartition(topicId, tp0)), fetchResponse(tp0, 1, 1), node);
    time.sleep(heartbeatIntervalMs);
    Thread.sleep(heartbeatIntervalMs);
    consumer.updateAssignmentMetadataIfNeeded(time.timer(Long.MAX_VALUE));
    final ConsumerRecords<String, String> records = consumer.poll(Duration.ZERO);
    assertFalse(records.isEmpty());
    consumer.close(Duration.ofMillis(0));
}

Example 3 with JoinGroupResponseData

use of org.apache.kafka.common.message.JoinGroupResponseData in project kafka by apache.

the class WorkerCoordinatorTest method joinGroupLeaderResponse.

private JoinGroupResponse joinGroupLeaderResponse(int generationId, String memberId, Map<String, Long> configOffsets, Errors error) {
    List<JoinGroupResponseData.JoinGroupResponseMember> metadata = new ArrayList<>();
    for (Map.Entry<String, Long> configStateEntry : configOffsets.entrySet()) {
        // We need a member URL, but it doesn't matter for the purposes of this test. Just set it to the member ID
        String memberUrl = configStateEntry.getKey();
        long configOffset = configStateEntry.getValue();
        ByteBuffer buf = ConnectProtocol.serializeMetadata(new ConnectProtocol.WorkerState(memberUrl, configOffset));
        metadata.add(new JoinGroupResponseData.JoinGroupResponseMember().setMemberId(configStateEntry.getKey()).setMetadata(buf.array()));
    }
    return new JoinGroupResponse(new JoinGroupResponseData().setErrorCode(error.code()).setGenerationId(generationId).setProtocolName(EAGER.protocol()).setLeader(memberId).setMemberId(memberId).setMembers(metadata));
}

Example 4 with JoinGroupResponseData

use of org.apache.kafka.common.message.JoinGroupResponseData in project kafka by apache.

the class ConsumerCoordinatorTest method joinGroupLeaderResponse.

private JoinGroupResponse joinGroupLeaderResponse(int generationId, String memberId, Map<String, List<String>> subscriptions, boolean skipAssignment, Errors error) {
    List<JoinGroupResponseData.JoinGroupResponseMember> metadata = new ArrayList<>();
    for (Map.Entry<String, List<String>> subscriptionEntry : subscriptions.entrySet()) {
        ConsumerPartitionAssignor.Subscription subscription = new ConsumerPartitionAssignor.Subscription(subscriptionEntry.getValue());
        ByteBuffer buf = ConsumerProtocol.serializeSubscription(subscription);
        metadata.add(new JoinGroupResponseData.JoinGroupResponseMember().setMemberId(subscriptionEntry.getKey()).setMetadata(buf.array()));
    }
    return new JoinGroupResponse(new JoinGroupResponseData().setErrorCode(error.code()).setGenerationId(generationId).setProtocolName(partitionAssignor.name()).setLeader(memberId).setSkipAssignment(skipAssignment).setMemberId(memberId).setMembers(metadata));
}