Examples with ERROR org.apache.kafka.streams.KafkaStreams.State.ERROR used on opensource projects

Example 1 with ERROR

use of org.apache.kafka.streams.KafkaStreams.State.ERROR in project kafka by apache.

the class KStreamRepartitionIntegrationTest method shouldThrowAnExceptionWhenNumberOfPartitionsOfRepartitionOperationDoNotMatchSourceTopicWhenJoining.

@Test
public void shouldThrowAnExceptionWhenNumberOfPartitionsOfRepartitionOperationDoNotMatchSourceTopicWhenJoining() throws InterruptedException {
    final int topicBNumberOfPartitions = 6;
    final String inputTopicRepartitionName = "join-repartition-test";
    final AtomicReference<Throwable> expectedThrowable = new AtomicReference<>();
    final int inputTopicRepartitionedNumOfPartitions = 2;
    CLUSTER.createTopic(topicB, topicBNumberOfPartitions, 1);
    final StreamsBuilder builder = new StreamsBuilder();
    final Repartitioned<Integer, String> inputTopicRepartitioned = Repartitioned.<Integer, String>as(inputTopicRepartitionName).withNumberOfPartitions(inputTopicRepartitionedNumOfPartitions);
    final KStream<Integer, String> topicBStream = builder.stream(topicB, Consumed.with(Serdes.Integer(), Serdes.String()));
    builder.stream(inputTopic, Consumed.with(Serdes.Integer(), Serdes.String())).repartition(inputTopicRepartitioned).join(topicBStream, (value1, value2) -> value2, JoinWindows.of(Duration.ofSeconds(10))).to(outputTopic);
    builder.build(streamsConfiguration);
    startStreams(builder, REBALANCING, ERROR, (t, e) -> expectedThrowable.set(e));
    final String expectedMsg = String.format("Number of partitions [%s] of repartition topic [%s] " + "doesn't match number of partitions [%s] of the source topic.", inputTopicRepartitionedNumOfPartitions, toRepartitionTopicName(inputTopicRepartitionName), topicBNumberOfPartitions);
    assertNotNull(expectedThrowable.get());
    assertTrue(expectedThrowable.get().getMessage().contains(expectedMsg));
}