Adding two consumers

src/main/java/com/techprimers/kafka/springbootkafkaconsumerexample/config/KafkaConfiguration.java

@@ -18,9 +18,11 @@ import java.util.Map;
 @Configuration
 public class KafkaConfiguration {
 
+    private Map<String, Object> config;
+
     @Bean
     public ConsumerFactory<String, String> consumerFactory(){
-        Map<String, Object> config =  new HashMap<>();
+        config =  new HashMap<>();
         config.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG,"127.0.0.1:9092");
         config.put(ConsumerConfig.GROUP_ID_CONFIG, "group_id");
         config.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);
@@ -37,12 +39,14 @@ public class KafkaConfiguration {
 
     @Bean
     public ConsumerFactory<String, User> userConsumerFactory() {
-        Map<String, Object> config = new HashMap<>();
+        config = new HashMap<>();
         config.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "127.0.0.1:9092");
         config.put(ConsumerConfig.GROUP_ID_CONFIG, "group_json");
+        config.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false");
+        config.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
         config.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);
         config.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, JsonDeserializer.class);
-        return new DefaultKafkaConsumerFactory<>(config, new StringDeserializer(), new JsonDeserializer<>(User.class));
+        return new DefaultKafkaConsumerFactory<>(config, new StringDeserializer(), new JsonDeserializer<>(User.class, false));
     }
 
     @Bean
@@ -52,4 +56,4 @@ public class KafkaConfiguration {
         return factory;
     }
 
-}
\ No newline at end of file
+}