Created
May 27, 2019 22:44
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package com.rataj.kafka.config; | |
import com.rataj.kafka.model.Person; | |
import org.apache.kafka.common.serialization.StringDeserializer; | |
import org.springframework.context.annotation.Bean; | |
import org.springframework.context.annotation.Configuration; | |
import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory; | |
import org.springframework.kafka.config.KafkaListenerContainerFactory; | |
import org.springframework.kafka.core.ConsumerFactory; | |
import org.springframework.kafka.core.DefaultKafkaConsumerFactory; | |
import org.springframework.kafka.support.serializer.ErrorHandlingDeserializer2; | |
import org.springframework.kafka.support.serializer.JsonDeserializer; | |
import java.util.HashMap; | |
import java.util.Map; | |
@Configuration | |
public class KafkaConsumerConfiguration { | |
@Bean | |
ConsumerFactory<String, Person> consumerFactory() { | |
Map<String, Object> properties = new HashMap<>(); | |
properties.put("bootstrap.servers", "127.0.0.1:21345"); | |
properties.put("group.id", "group"); | |
properties.put("enable.auto.commit", false); | |
properties.put("auto.commit.interval.ms", "10"); | |
properties.put("session.timeout.ms", "60000"); | |
ErrorHandlingDeserializer2<Person> errorHandlingDeserializer | |
= new ErrorHandlingDeserializer2<>(new JsonDeserializer<>(Person.class)); | |
return new DefaultKafkaConsumerFactory<>(properties, new StringDeserializer(), errorHandlingDeserializer); | |
} | |
@Bean | |
KafkaListenerContainerFactory<?> kafkaListenerContainerFactory(ConsumerFactory<String, Person> consumerFactory) { | |
ConcurrentKafkaListenerContainerFactory<String, Person> kafkaListenerContainerFactory | |
= new ConcurrentKafkaListenerContainerFactory<>(); | |
kafkaListenerContainerFactory.setConcurrency(2); | |
kafkaListenerContainerFactory.setConsumerFactory(consumerFactory); | |
kafkaListenerContainerFactory.setErrorHandler(new KafkaErrorHandler()); | |
return kafkaListenerContainerFactory; | |
} | |
} |
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