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

Example 41 with WakeupException

use of org.apache.kafka.common.errors.WakeupException in project apache-kafka-on-k8s by banzaicloud.

the class AbstractCoordinatorTest method testWakeupAfterSyncGroupReceivedExternalCompletion.

@Test
public void testWakeupAfterSyncGroupReceivedExternalCompletion() throws Exception {
    setupCoordinator(RETRY_BACKOFF_MS);
    mockClient.prepareResponse(groupCoordinatorResponse(node, Errors.NONE));
    mockClient.prepareResponse(joinGroupFollowerResponse(1, "memberId", "leaderId", Errors.NONE));
    mockClient.prepareResponse(new MockClient.RequestMatcher() {

        @Override
        public boolean matches(AbstractRequest body) {
            boolean isSyncGroupRequest = body instanceof SyncGroupRequest;
            if (isSyncGroupRequest)
                // wakeup after the request returns
                consumerClient.wakeup();
            return isSyncGroupRequest;
        }
    }, syncGroupResponse(Errors.NONE));
    AtomicBoolean heartbeatReceived = prepareFirstHeartbeat();
    try {
        coordinator.ensureActiveGroup();
        fail("Should have woken up from ensureActiveGroup()");
    } catch (WakeupException e) {
    }
    assertEquals(1, coordinator.onJoinPrepareInvokes);
    assertEquals(0, coordinator.onJoinCompleteInvokes);
    assertFalse(heartbeatReceived.get());
    coordinator.ensureActiveGroup();
    assertEquals(1, coordinator.onJoinPrepareInvokes);
    assertEquals(1, coordinator.onJoinCompleteInvokes);
    awaitFirstHeartbeat(heartbeatReceived);
}

Example 42 with WakeupException

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

the class MirrorSourceTask method poll.

@Override
public List<SourceRecord> poll() {
    if (!consumerAccess.tryAcquire()) {
        return null;
    }
    if (stopping) {
        return null;
    }
    try {
        ConsumerRecords<byte[], byte[]> records = consumer.poll(pollTimeout);
        List<SourceRecord> sourceRecords = new ArrayList<>(records.count());
        for (ConsumerRecord<byte[], byte[]> record : records) {
            SourceRecord converted = convertRecord(record);
            sourceRecords.add(converted);
            TopicPartition topicPartition = new TopicPartition(converted.topic(), converted.kafkaPartition());
            metrics.recordAge(topicPartition, System.currentTimeMillis() - record.timestamp());
            metrics.recordBytes(topicPartition, byteSize(record.value()));
        }
        if (sourceRecords.isEmpty()) {
            // WorkerSourceTasks expects non-zero batch size
            return null;
        } else {
            log.trace("Polled {} records from {}.", sourceRecords.size(), records.partitions());
            return sourceRecords;
        }
    } catch (WakeupException e) {
        return null;
    } catch (KafkaException e) {
        log.warn("Failure during poll.", e);
        return null;
    } catch (Throwable e) {
        log.error("Failure during poll.", e);
        // allow Connect to deal with the exception
        throw e;
    } finally {
        consumerAccess.release();
    }
}

Example 43 with WakeupException

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

the class ConsumerCoordinator method invokePartitionsAssigned.

private Exception invokePartitionsAssigned(final SortedSet<TopicPartition> assignedPartitions) {
    log.info("Adding newly assigned partitions: {}", Utils.join(assignedPartitions, ", "));
    ConsumerRebalanceListener listener = subscriptions.rebalanceListener();
    try {
        final long startMs = time.milliseconds();
        listener.onPartitionsAssigned(assignedPartitions);
        sensors.assignCallbackSensor.record(time.milliseconds() - startMs);
    } catch (WakeupException | InterruptException e) {
        throw e;
    } catch (Exception e) {
        log.error("User provided listener {} failed on invocation of onPartitionsAssigned for partitions {}", listener.getClass().getName(), assignedPartitions, e);
        return e;
    }
    return null;
}

Example 44 with WakeupException

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

the class MockConsumer method poll.

@Override
public synchronized ConsumerRecords<K, V> poll(final Duration timeout) {
    ensureNotClosed();
    lastPollTimeout = timeout;
    // the callback
    synchronized (pollTasks) {
        Runnable task = pollTasks.poll();
        if (task != null)
            task.run();
    }
    if (wakeup.get()) {
        wakeup.set(false);
        throw new WakeupException();
    }
    if (pollException != null) {
        RuntimeException exception = this.pollException;
        this.pollException = null;
        throw exception;
    }
    // Handle seeks that need to wait for a poll() call to be processed
    for (TopicPartition tp : subscriptions.assignedPartitions()) if (!subscriptions.hasValidPosition(tp))
        updateFetchPosition(tp);
    // update the consumed offset
    final Map<TopicPartition, List<ConsumerRecord<K, V>>> results = new HashMap<>();
    final List<TopicPartition> toClear = new ArrayList<>();
    for (Map.Entry<TopicPartition, List<ConsumerRecord<K, V>>> entry : this.records.entrySet()) {
        if (!subscriptions.isPaused(entry.getKey())) {
            final List<ConsumerRecord<K, V>> recs = entry.getValue();
            for (final ConsumerRecord<K, V> rec : recs) {
                long position = subscriptions.position(entry.getKey()).offset;
                if (beginningOffsets.get(entry.getKey()) != null && beginningOffsets.get(entry.getKey()) > position) {
                    throw new OffsetOutOfRangeException(Collections.singletonMap(entry.getKey(), position));
                }
                if (assignment().contains(entry.getKey()) && rec.offset() >= position) {
                    results.computeIfAbsent(entry.getKey(), partition -> new ArrayList<>()).add(rec);
                    Metadata.LeaderAndEpoch leaderAndEpoch = new Metadata.LeaderAndEpoch(Optional.empty(), rec.leaderEpoch());
                    SubscriptionState.FetchPosition newPosition = new SubscriptionState.FetchPosition(rec.offset() + 1, rec.leaderEpoch(), leaderAndEpoch);
                    subscriptions.position(entry.getKey(), newPosition);
                }
            }
            toClear.add(entry.getKey());
        }
    }
    toClear.forEach(p -> this.records.remove(p));
    return new ConsumerRecords<>(results);
}

Example 45 with WakeupException

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

the class ConsumerCoordinatorTest method testWakeupFromAssignmentCallback.

@Test
public void testWakeupFromAssignmentCallback() {
    final String topic = "topic1";
    TopicPartition partition = new TopicPartition(topic, 0);
    final String consumerId = "follower";
    Set<String> topics = Collections.singleton(topic);
    MockRebalanceListener rebalanceListener = new MockRebalanceListener() {

        @Override
        public void onPartitionsAssigned(Collection<TopicPartition> partitions) {
            boolean raiseWakeup = this.assignedCount == 0;
            super.onPartitionsAssigned(partitions);
            if (raiseWakeup)
                throw new WakeupException();
        }
    };
    subscriptions.subscribe(topics, rebalanceListener);
    // we only have metadata for one topic initially
    client.updateMetadata(RequestTestUtils.metadataUpdateWith(1, singletonMap(topic1, 1)));
    client.prepareResponse(groupCoordinatorResponse(node, Errors.NONE));
    coordinator.ensureCoordinatorReady(time.timer(Long.MAX_VALUE));
    // prepare initial rebalance
    partitionAssignor.prepare(singletonMap(consumerId, Collections.singletonList(partition)));
    client.prepareResponse(joinGroupFollowerResponse(1, consumerId, "leader", Errors.NONE));
    client.prepareResponse(syncGroupResponse(Collections.singletonList(partition), Errors.NONE));
    // The first call to poll should raise the exception from the rebalance listener
    try {
        coordinator.poll(time.timer(Long.MAX_VALUE));
        fail("Expected exception thrown from assignment callback");
    } catch (WakeupException e) {
    }
    // The second call should retry the assignment callback and succeed
    coordinator.poll(time.timer(Long.MAX_VALUE));
    assertFalse(coordinator.rejoinNeededOrPending());
    assertEquals(0, rebalanceListener.revokedCount);
    assertEquals(2, rebalanceListener.assignedCount);
}