Examples with DuplicateBrokerRegistrationException org.apache.kafka.common.errors.DuplicateBrokerRegistrationException used on opensource projects

Example 1 with DuplicateBrokerRegistrationException

use of org.apache.kafka.common.errors.DuplicateBrokerRegistrationException in project kafka by apache.

the class ClusterControlManager method registerBroker.

/**
 * Process an incoming broker registration request.
 */
public ControllerResult<BrokerRegistrationReply> registerBroker(BrokerRegistrationRequestData request, long brokerEpoch, FeatureMapAndEpoch finalizedFeatures) {
    if (heartbeatManager == null) {
        throw new RuntimeException("ClusterControlManager is not active.");
    }
    if (!clusterId.equals(request.clusterId())) {
        throw new InconsistentClusterIdException("Expected cluster ID " + clusterId + ", but got cluster ID " + request.clusterId());
    }
    int brokerId = request.brokerId();
    BrokerRegistration existing = brokerRegistrations.get(brokerId);
    if (existing != null) {
        if (heartbeatManager.hasValidSession(brokerId)) {
            if (!existing.incarnationId().equals(request.incarnationId())) {
                throw new DuplicateBrokerRegistrationException("Another broker is " + "registered with that broker id.");
            }
        } else {
            if (!existing.incarnationId().equals(request.incarnationId())) {
                // Remove any existing session for the old broker incarnation.
                heartbeatManager.remove(brokerId);
                existing = null;
            }
        }
    }
    RegisterBrokerRecord record = new RegisterBrokerRecord().setBrokerId(brokerId).setIncarnationId(request.incarnationId()).setBrokerEpoch(brokerEpoch).setRack(request.rack());
    for (BrokerRegistrationRequestData.Listener listener : request.listeners()) {
        record.endPoints().add(new BrokerEndpoint().setHost(listener.host()).setName(listener.name()).setPort(listener.port()).setSecurityProtocol(listener.securityProtocol()));
    }
    for (BrokerRegistrationRequestData.Feature feature : request.features()) {
        Optional<VersionRange> finalized = finalizedFeatures.map().get(feature.name());
        if (finalized.isPresent()) {
            if (!finalized.get().contains(new VersionRange(feature.minSupportedVersion(), feature.maxSupportedVersion()))) {
                throw new UnsupportedVersionException("Unable to register because " + "the broker has an unsupported version of " + feature.name());
            }
        }
        record.features().add(new BrokerFeature().setName(feature.name()).setMinSupportedVersion(feature.minSupportedVersion()).setMaxSupportedVersion(feature.maxSupportedVersion()));
    }
    if (existing == null) {
        heartbeatManager.touch(brokerId, true, -1);
    } else {
        heartbeatManager.touch(brokerId, existing.fenced(), -1);
    }
    List<ApiMessageAndVersion> records = new ArrayList<>();
    records.add(new ApiMessageAndVersion(record, REGISTER_BROKER_RECORD.highestSupportedVersion()));
    return ControllerResult.atomicOf(records, new BrokerRegistrationReply(brokerEpoch));
}