Examples with SubscriptionBusyException org.apache.pulsar.broker.service.BrokerServiceException.SubscriptionBusyException used on opensource projects

Example 1 with SubscriptionBusyException

use of org.apache.pulsar.broker.service.BrokerServiceException.SubscriptionBusyException in project incubator-pulsar by apache.

the class NamespacesBase method unsubscribe.

private void unsubscribe(NamespaceName nsName, String bundleRange, String subscription) {
    try {
        List<Topic> topicList = pulsar().getBrokerService().getAllTopicsFromNamespaceBundle(nsName.toString(), nsName.toString() + "/" + bundleRange);
        List<CompletableFuture<Void>> futures = Lists.newArrayList();
        if (subscription.startsWith(pulsar().getConfiguration().getReplicatorPrefix())) {
            throw new RestException(Status.PRECONDITION_FAILED, "Cannot unsubscribe a replication cursor");
        } else {
            for (Topic topic : topicList) {
                Subscription sub = topic.getSubscription(subscription);
                if (sub != null) {
                    futures.add(sub.delete());
                }
            }
        }
        FutureUtil.waitForAll(futures).get();
    } catch (RestException re) {
        throw re;
    } catch (Exception e) {
        log.error("[{}] Failed to unsubscribe {} for namespace {}/{}", clientAppId(), subscription, nsName.toString(), bundleRange, e);
        if (e.getCause() instanceof SubscriptionBusyException) {
            throw new RestException(Status.PRECONDITION_FAILED, "Subscription has active connected consumers");
        }
        throw new RestException(e.getCause());
    }
}

Example 2 with SubscriptionBusyException

use of org.apache.pulsar.broker.service.BrokerServiceException.SubscriptionBusyException in project incubator-pulsar by apache.

the class PersistentTopicsBase method internalDeleteSubscription.

protected void internalDeleteSubscription(String subName, boolean authoritative) {
    if (topicName.isGlobal()) {
        validateGlobalNamespaceOwnership(namespaceName);
    }
    PartitionedTopicMetadata partitionMetadata = getPartitionedTopicMetadata(topicName, authoritative);
    if (partitionMetadata.partitions > 0) {
        try {
            for (int i = 0; i < partitionMetadata.partitions; i++) {
                pulsar().getAdminClient().persistentTopics().deleteSubscription(topicName.getPartition(i).toString(), subName);
            }
        } catch (Exception e) {
            if (e instanceof NotFoundException) {
                throw new RestException(Status.NOT_FOUND, "Subscription not found");
            } else if (e instanceof PreconditionFailedException) {
                throw new RestException(Status.PRECONDITION_FAILED, "Subscription has active connected consumers");
            } else {
                log.error("[{}] Failed to delete subscription {} {}", clientAppId(), topicName, subName, e);
                throw new RestException(e);
            }
        }
    } else {
        validateAdminOperationOnTopic(authoritative);
        Topic topic = getTopicReference(topicName);
        try {
            Subscription sub = topic.getSubscription(subName);
            checkNotNull(sub);
            sub.delete().get();
            log.info("[{}][{}] Deleted subscription {}", clientAppId(), topicName, subName);
        } catch (Exception e) {
            Throwable t = e.getCause();
            if (e instanceof NullPointerException) {
                throw new RestException(Status.NOT_FOUND, "Subscription not found");
            } else if (t instanceof SubscriptionBusyException) {
                throw new RestException(Status.PRECONDITION_FAILED, "Subscription has active connected consumers");
            } else {
                log.error("[{}] Failed to delete subscription {} {}", clientAppId(), topicName, subName, e);
                throw new RestException(t);
            }
        }
    }
}

Example 3 with SubscriptionBusyException

use of org.apache.pulsar.broker.service.BrokerServiceException.SubscriptionBusyException in project incubator-pulsar by apache.

the class PersistentTopic method subscribe.

@Override
public CompletableFuture<Consumer> subscribe(final ServerCnx cnx, String subscriptionName, long consumerId, SubType subType, int priorityLevel, String consumerName, boolean isDurable, MessageId startMessageId, Map<String, String> metadata, boolean readCompacted, InitialPosition initialPosition) {
    final CompletableFuture<Consumer> future = new CompletableFuture<>();
    if (readCompacted && !(subType == SubType.Failover || subType == SubType.Exclusive)) {
        future.completeExceptionally(new NotAllowedException("readCompacted only allowed on failover or exclusive subscriptions"));
        return future;
    }
    if (isBlank(subscriptionName)) {
        if (log.isDebugEnabled()) {
            log.debug("[{}] Empty subscription name", topic);
        }
        future.completeExceptionally(new NamingException("Empty subscription name"));
        return future;
    }
    if (hasBatchMessagePublished && !cnx.isBatchMessageCompatibleVersion()) {
        if (log.isDebugEnabled()) {
            log.debug("[{}] Consumer doesn't support batch-message {}", topic, subscriptionName);
        }
        future.completeExceptionally(new UnsupportedVersionException("Consumer doesn't support batch-message"));
        return future;
    }
    if (subscriptionName.startsWith(replicatorPrefix) || subscriptionName.equals(DEDUPLICATION_CURSOR_NAME)) {
        log.warn("[{}] Failed to create subscription for {}", topic, subscriptionName);
        future.completeExceptionally(new NamingException("Subscription with reserved subscription name attempted"));
        return future;
    }
    lock.readLock().lock();
    try {
        if (isFenced) {
            log.warn("[{}] Attempting to subscribe to a fenced topic", topic);
            future.completeExceptionally(new TopicFencedException("Topic is temporarily unavailable"));
            return future;
        }
        USAGE_COUNT_UPDATER.incrementAndGet(this);
        if (log.isDebugEnabled()) {
            log.debug("[{}] [{}] [{}] Added consumer -- count: {}", topic, subscriptionName, consumerName, USAGE_COUNT_UPDATER.get(this));
        }
    } finally {
        lock.readLock().unlock();
    }
    CompletableFuture<? extends Subscription> subscriptionFuture = // 
    isDurable ? // 
    getDurableSubscription(subscriptionName, initialPosition) : getNonDurableSubscription(subscriptionName, startMessageId);
    int maxUnackedMessages = isDurable ? brokerService.pulsar().getConfiguration().getMaxUnackedMessagesPerConsumer() : 0;
    subscriptionFuture.thenAccept(subscription -> {
        try {
            Consumer consumer = new Consumer(subscription, subType, topic, consumerId, priorityLevel, consumerName, maxUnackedMessages, cnx, cnx.getRole(), metadata, readCompacted, initialPosition);
            subscription.addConsumer(consumer);
            if (!cnx.isActive()) {
                consumer.close();
                if (log.isDebugEnabled()) {
                    log.debug("[{}] [{}] [{}] Subscribe failed -- count: {}", topic, subscriptionName, consumer.consumerName(), USAGE_COUNT_UPDATER.get(PersistentTopic.this));
                }
                future.completeExceptionally(new BrokerServiceException("Connection was closed while the opening the cursor "));
            } else {
                log.info("[{}][{}] Created new subscription for {}", topic, subscriptionName, consumerId);
                future.complete(consumer);
            }
        } catch (BrokerServiceException e) {
            if (e instanceof ConsumerBusyException) {
                log.warn("[{}][{}] Consumer {} {} already connected", topic, subscriptionName, consumerId, consumerName);
            } else if (e instanceof SubscriptionBusyException) {
                log.warn("[{}][{}] {}", topic, subscriptionName, e.getMessage());
            }
            USAGE_COUNT_UPDATER.decrementAndGet(PersistentTopic.this);
            future.completeExceptionally(e);
        }
    }).exceptionally(ex -> {
        log.warn("[{}] Failed to create subscription for {}: ", topic, subscriptionName, ex.getMessage());
        USAGE_COUNT_UPDATER.decrementAndGet(PersistentTopic.this);
        future.completeExceptionally(new PersistenceException(ex));
        return null;
    });
    return future;
}

Example 4 with SubscriptionBusyException

use of org.apache.pulsar.broker.service.BrokerServiceException.SubscriptionBusyException in project incubator-pulsar by apache.

the class PersistentSubscription method resetCursor.

private void resetCursor(Position finalPosition, CompletableFuture<Void> future) {
    if (!IS_FENCED_UPDATER.compareAndSet(PersistentSubscription.this, FALSE, TRUE)) {
        future.completeExceptionally(new SubscriptionBusyException("Failed to fence subscription"));
        return;
    }
    final CompletableFuture<Void> disconnectFuture;
    if (dispatcher != null && dispatcher.isConsumerConnected()) {
        disconnectFuture = dispatcher.disconnectAllConsumers();
    } else {
        disconnectFuture = CompletableFuture.completedFuture(null);
    }
    disconnectFuture.whenComplete((aVoid, throwable) -> {
        if (throwable != null) {
            log.error("[{}][{}] Failed to disconnect consumer from subscription", topicName, subName, throwable);
            IS_FENCED_UPDATER.set(PersistentSubscription.this, FALSE);
            future.completeExceptionally(new SubscriptionBusyException("Failed to disconnect consumers from subscription"));
            return;
        }
        log.info("[{}][{}] Successfully disconnected consumers from subscription, proceeding with cursor reset", topicName, subName);
        try {
            cursor.asyncResetCursor(finalPosition, new AsyncCallbacks.ResetCursorCallback() {

                @Override
                public void resetComplete(Object ctx) {
                    if (log.isDebugEnabled()) {
                        log.debug("[{}][{}] Successfully reset subscription to position {}", topicName, subName, finalPosition);
                    }
                    IS_FENCED_UPDATER.set(PersistentSubscription.this, FALSE);
                    future.complete(null);
                }

                @Override
                public void resetFailed(ManagedLedgerException exception, Object ctx) {
                    log.error("[{}][{}] Failed to reset subscription to position {}", topicName, subName, finalPosition, exception);
                    IS_FENCED_UPDATER.set(PersistentSubscription.this, FALSE);
                    // or should we just ask user to retry one more time?
                    if (exception instanceof InvalidCursorPositionException) {
                        future.completeExceptionally(new SubscriptionInvalidCursorPosition(exception.getMessage()));
                    } else if (exception instanceof ConcurrentFindCursorPositionException) {
                        future.completeExceptionally(new SubscriptionBusyException(exception.getMessage()));
                    } else {
                        future.completeExceptionally(new BrokerServiceException(exception));
                    }
                }
            });
        } catch (Exception e) {
            log.error("[{}][{}] Error while resetting cursor", topicName, subName, e);
            IS_FENCED_UPDATER.set(PersistentSubscription.this, FALSE);
            future.completeExceptionally(new BrokerServiceException(e));
        }
    });
}

Example 5 with SubscriptionBusyException

use of org.apache.pulsar.broker.service.BrokerServiceException.SubscriptionBusyException in project incubator-pulsar by apache.

the class PersistentSubscription method close.

/**
 * Close the cursor ledger for this subscription. Requires that there are no active consumers on the dispatcher
 *
 * @return CompletableFuture indicating the completion of delete operation
 */
@Override
public CompletableFuture<Void> close() {
    CompletableFuture<Void> closeFuture = new CompletableFuture<>();
    synchronized (this) {
        if (dispatcher != null && dispatcher.isConsumerConnected()) {
            closeFuture.completeExceptionally(new SubscriptionBusyException("Subscription has active consumers"));
            return closeFuture;
        }
        IS_FENCED_UPDATER.set(this, TRUE);
        log.info("[{}][{}] Successfully fenced cursor ledger [{}]", topicName, subName, cursor);
    }
    cursor.asyncClose(new CloseCallback() {

        @Override
        public void closeComplete(Object ctx) {
            if (log.isDebugEnabled()) {
                log.debug("[{}][{}] Successfully closed cursor ledger", topicName, subName);
            }
            closeFuture.complete(null);
        }

        @Override
        public void closeFailed(ManagedLedgerException exception, Object ctx) {
            IS_FENCED_UPDATER.set(PersistentSubscription.this, FALSE);
            log.error("[{}][{}] Error closing cursor for subscription", topicName, subName, exception);
            closeFuture.completeExceptionally(new PersistenceException(exception));
        }
    }, null);
    return closeFuture;
}