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

Example 21 with ListOffsetsResponseData

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

the class FetcherTest method testGetOffsetByTimeWithPartitionsRetryCouldTriggerMetadataUpdate.

@Test
public void testGetOffsetByTimeWithPartitionsRetryCouldTriggerMetadataUpdate() {
    List<Errors> retriableErrors = Arrays.asList(Errors.NOT_LEADER_OR_FOLLOWER, Errors.REPLICA_NOT_AVAILABLE, Errors.KAFKA_STORAGE_ERROR, Errors.OFFSET_NOT_AVAILABLE, Errors.LEADER_NOT_AVAILABLE, Errors.FENCED_LEADER_EPOCH, Errors.UNKNOWN_LEADER_EPOCH);
    final int newLeaderEpoch = 3;
    MetadataResponse updatedMetadata = RequestTestUtils.metadataUpdateWithIds("dummy", 3, singletonMap(topicName, Errors.NONE), singletonMap(topicName, 4), tp -> newLeaderEpoch, topicIds);
    Node originalLeader = initialUpdateResponse.buildCluster().leaderFor(tp1);
    Node newLeader = updatedMetadata.buildCluster().leaderFor(tp1);
    assertNotEquals(originalLeader, newLeader);
    for (Errors retriableError : retriableErrors) {
        buildFetcher();
        subscriptions.assignFromUser(mkSet(tp0, tp1));
        client.updateMetadata(initialUpdateResponse);
        final long fetchTimestamp = 10L;
        ListOffsetsPartitionResponse tp0NoError = new ListOffsetsPartitionResponse().setPartitionIndex(tp0.partition()).setErrorCode(Errors.NONE.code()).setTimestamp(fetchTimestamp).setOffset(4L);
        List<ListOffsetsTopicResponse> topics = Collections.singletonList(new ListOffsetsTopicResponse().setName(tp0.topic()).setPartitions(Arrays.asList(tp0NoError, new ListOffsetsPartitionResponse().setPartitionIndex(tp1.partition()).setErrorCode(retriableError.code()).setTimestamp(ListOffsetsRequest.LATEST_TIMESTAMP).setOffset(-1L))));
        ListOffsetsResponseData data = new ListOffsetsResponseData().setThrottleTimeMs(0).setTopics(topics);
        client.prepareResponseFrom(body -> {
            boolean isListOffsetRequest = body instanceof ListOffsetsRequest;
            if (isListOffsetRequest) {
                ListOffsetsRequest request = (ListOffsetsRequest) body;
                List<ListOffsetsTopic> expectedTopics = Collections.singletonList(new ListOffsetsTopic().setName(tp0.topic()).setPartitions(Arrays.asList(new ListOffsetsPartition().setPartitionIndex(tp1.partition()).setTimestamp(fetchTimestamp).setCurrentLeaderEpoch(ListOffsetsResponse.UNKNOWN_EPOCH), new ListOffsetsPartition().setPartitionIndex(tp0.partition()).setTimestamp(fetchTimestamp).setCurrentLeaderEpoch(ListOffsetsResponse.UNKNOWN_EPOCH))));
                return request.topics().equals(expectedTopics);
            } else {
                return false;
            }
        }, new ListOffsetsResponse(data), originalLeader);
        client.prepareMetadataUpdate(updatedMetadata);
        // If the metadata wasn't updated before retrying, the fetcher would consult the original leader and hit a NOT_LEADER exception.
        // We will count the answered future response in the end to verify if this is the case.
        List<ListOffsetsTopicResponse> topicsWithFatalError = Collections.singletonList(new ListOffsetsTopicResponse().setName(tp0.topic()).setPartitions(Arrays.asList(tp0NoError, new ListOffsetsPartitionResponse().setPartitionIndex(tp1.partition()).setErrorCode(Errors.NOT_LEADER_OR_FOLLOWER.code()).setTimestamp(ListOffsetsRequest.LATEST_TIMESTAMP).setOffset(-1L))));
        ListOffsetsResponseData dataWithFatalError = new ListOffsetsResponseData().setThrottleTimeMs(0).setTopics(topicsWithFatalError);
        client.prepareResponseFrom(new ListOffsetsResponse(dataWithFatalError), originalLeader);
        // The request to new leader must only contain one partition tp1 with error.
        client.prepareResponseFrom(body -> {
            boolean isListOffsetRequest = body instanceof ListOffsetsRequest;
            if (isListOffsetRequest) {
                ListOffsetsRequest request = (ListOffsetsRequest) body;
                ListOffsetsTopic requestTopic = request.topics().get(0);
                ListOffsetsPartition expectedPartition = new ListOffsetsPartition().setPartitionIndex(tp1.partition()).setTimestamp(fetchTimestamp).setCurrentLeaderEpoch(newLeaderEpoch);
                return expectedPartition.equals(requestTopic.partitions().get(0));
            } else {
                return false;
            }
        }, listOffsetResponse(tp1, Errors.NONE, fetchTimestamp, 5L), newLeader);
        Map<TopicPartition, OffsetAndTimestamp> offsetAndTimestampMap = fetcher.offsetsForTimes(Utils.mkMap(Utils.mkEntry(tp0, fetchTimestamp), Utils.mkEntry(tp1, fetchTimestamp)), time.timer(Integer.MAX_VALUE));
        assertEquals(Utils.mkMap(Utils.mkEntry(tp0, new OffsetAndTimestamp(4L, fetchTimestamp)), Utils.mkEntry(tp1, new OffsetAndTimestamp(5L, fetchTimestamp))), offsetAndTimestampMap);
        // The NOT_LEADER exception future should not be cleared as we already refreshed the metadata before
        // first retry, thus never hitting.
        assertEquals(1, client.numAwaitingResponses());
        fetcher.close();
    }
}