Merge pull request #8782 from srzamfir/feature/BAEL-3185_Kafka_not_strating

Feature/bael 3185 kafka not strating

spring-kafka/src/main/java/com/baeldung/spring/kafka/KafkaApplication.java

@@ -25,7 +25,7 @@ public class KafkaApplication {
     public static void main(String[] args) throws Exception {
 
         ConfigurableApplicationContext context = SpringApplication.run(KafkaApplication.class, args);
-        
+
         MessageProducer producer = context.getBean(MessageProducer.class);
         MessageListener listener = context.getBean(MessageListener.class);
         /*
@@ -101,15 +101,17 @@ public class KafkaApplication {
         private String greetingTopicName;
 
         public void sendMessage(String message) {
-            
+
             ListenableFuture<SendResult<String, String>> future = kafkaTemplate.send(topicName, message);
-            
+
             future.addCallback(new ListenableFutureCallback<SendResult<String, String>>() {
 
                 @Override
                 public void onSuccess(SendResult<String, String> result) {
-                    System.out.println("Sent message=[" + message + "] with offset=[" + result.getRecordMetadata().offset() + "]");
+                    System.out.println("Sent message=[" + message + "] with offset=[" + result.getRecordMetadata()
+                        .offset() + "]");
                 }
+
                 @Override
                 public void onFailure(Throwable ex) {
                     System.out.println("Unable to send message=[" + message + "] due to : " + ex.getMessage());
@@ -158,7 +160,7 @@ public class KafkaApplication {
             latch.countDown();
         }
 
-        @KafkaListener(topicPartitions = @TopicPartition(topic = "${partitioned.topic.name}", partitions = { "0", "3" }))
+        @KafkaListener(topicPartitions = @TopicPartition(topic = "${partitioned.topic.name}", partitions = { "0", "3" }), containerFactory = "partitionsKafkaListenerContainerFactory")
         public void listenToParition(@Payload String message, @Header(KafkaHeaders.RECEIVED_PARTITION_ID) int partition) {
             System.out.println("Received Message: " + message + " from partition: " + partition);
             this.partitionLatch.countDown();

spring-kafka/src/main/java/com/baeldung/spring/kafka/KafkaConsumerConfig.java

@@ -29,7 +29,7 @@ public class KafkaConsumerConfig {
         props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);
         return new DefaultKafkaConsumerFactory<>(props);
     }
-    
+
     public ConcurrentKafkaListenerContainerFactory<String, String> kafkaListenerContainerFactory(String groupId) {
         ConcurrentKafkaListenerContainerFactory<String, String> factory = new ConcurrentKafkaListenerContainerFactory<>();
         factory.setConsumerFactory(consumerFactory(groupId));
@@ -50,12 +50,12 @@ public class KafkaConsumerConfig {
     public ConcurrentKafkaListenerContainerFactory<String, String> headersKafkaListenerContainerFactory() {
         return kafkaListenerContainerFactory("headers");
     }
-    
+
     @Bean
     public ConcurrentKafkaListenerContainerFactory<String, String> partitionsKafkaListenerContainerFactory() {
         return kafkaListenerContainerFactory("partitions");
     }
-    
+
     @Bean
     public ConcurrentKafkaListenerContainerFactory<String, String> filterKafkaListenerContainerFactory() {
         ConcurrentKafkaListenerContainerFactory<String, String> factory = kafkaListenerContainerFactory("filter");

spring-kafka/src/main/java/com/baeldung/spring/kafka/KafkaProducerConfig.java

@@ -32,7 +32,7 @@ public class KafkaProducerConfig {
     public KafkaTemplate<String, String> kafkaTemplate() {
         return new KafkaTemplate<>(producerFactory());
     }
-    
+
     @Bean
     public ProducerFactory<String, Greeting> greetingProducerFactory() {
         Map<String, Object> configProps = new HashMap<>();
@@ -41,10 +41,10 @@ public class KafkaProducerConfig {
         configProps.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, JsonSerializer.class);
         return new DefaultKafkaProducerFactory<>(configProps);
     }
-    
+
     @Bean
     public KafkaTemplate<String, Greeting> greetingKafkaTemplate() {
         return new KafkaTemplate<>(greetingProducerFactory());
     }
-    
+
 }

spring-kafka/src/main/java/com/baeldung/spring/kafka/KafkaTopicConfig.java

@@ -12,10 +12,10 @@ import org.springframework.kafka.core.KafkaAdmin;
 
 @Configuration
 public class KafkaTopicConfig {
-    
+
     @Value(value = "${kafka.bootstrapAddress}")
     private String bootstrapAddress;
-    
+
     @Value(value = "${message.topic.name}")
     private String topicName;
 
@@ -27,31 +27,31 @@ public class KafkaTopicConfig {
 
     @Value(value = "${greeting.topic.name}")
     private String greetingTopicName;
-    
+
     @Bean
     public KafkaAdmin kafkaAdmin() {
         Map<String, Object> configs = new HashMap<>();
         configs.put(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapAddress);
         return new KafkaAdmin(configs);
     }
-    
+
     @Bean
     public NewTopic topic1() {
-         return new NewTopic(topicName, 1, (short) 1);
+        return new NewTopic(topicName, 1, (short) 1);
     }
-    
+
     @Bean
     public NewTopic topic2() {
-         return new NewTopic(partionedTopicName, 6, (short) 1);
+        return new NewTopic(partionedTopicName, 6, (short) 1);
     }
-    
+
     @Bean
     public NewTopic topic3() {
-         return new NewTopic(filteredTopicName, 1, (short) 1);
+        return new NewTopic(filteredTopicName, 1, (short) 1);
     }
-    
+
     @Bean
     public NewTopic topic4() {
-         return new NewTopic(greetingTopicName, 1, (short) 1);
+        return new NewTopic(greetingTopicName, 1, (short) 1);
     }
 }