Hello!
I am trying to execute simple example with Ignite and KafkaConsumer.
Unfortunately I can't get any messages using KafkaConsumer and I can't find
where is a problem. Message is always null although consumer started in
command line shows all messages that was sent by Producer in my example.
Could you please take a look at my example?
public class KafkaTest2 {
public static void main(String[] args) throws IgniteException {
try (Ignite ignite =
Ignition.start("examples/config/example-ignite.xml")) {
Properties prodProps = new Properties();
prodProps.put("key.serializer",
"org.apache.kafka.common.serialization.StringSerializer");
prodProps.put("value.serializer",
"org.apache.kafka.common.serialization.StringSerializer");
prodProps.put("bootstrap.servers", "localhost:9092");
try (Producer<String, String> producer = new
KafkaProducer<>(prodProps)) {
ProducerRecord<String, String> data1 = new
ProducerRecord<String, String>(
"test", "key1", "test-msg1");
producer.send(data1);
}
Properties consumerProps = (Properties) prodProps.clone();
consumerProps.put("key.deserializer",
"org.apache.kafka.common.serialization.StringDeserializer");
consumerProps.put("value.deserializer",
"org.apache.kafka.common.serialization.StringDeserializer");
consumerProps.put("group.id", "testId");
consumerProps.put("partition.assignment.strategy",
"roundrobin");
try (Consumer<String, String> consumer = new
KafkaConsumer<>(consumerProps)) {
consumer.subscribe("test");
Map<String, ConsumerRecords<String, String>> msg = null;
while (msg == null) {
msg = consumer.poll(100);
}
System.out.println(msg);
}
}
}
}
--
View this message in context:
http://apache-ignite-users.70518.x6.nabble.com/Ignite-and-Kafka-issue-tp5059.html
Sent from the Apache Ignite Users mailing list archive at Nabble.com.