![]() ![]() ![]() If the number of the partitions given is greater than the existing number of partitions in Kafka broker, the new number will be applied, and more partitions will be added. The code you use creates an instance of the class outside the scope of Spring and as such. Make sure to verify the number of partitions given in any Kafka topic. Spring will only parse Value annotations on beans it knows. The SequenceGenerator annotation defines a primary key generator that may be referenced by name when a generator element is specified for the GeneratedValue annotation.A sequence generator may be specified on the entity class or on the primary key field or property. If you are not using Spring boot then make sure to create KafkaAdmin bean as well.By default, it uses default values of the partition and the replication factor as 1. ![]() Apart from topic name, we can specify the number of partitions and the number of replicas for the topic.It is a key-value store, with keys and values as strings, lists, sets, hashes, or sorted sets. I have looked at similar posts and tried following the suggestions, but that didn't help. Introduction to Redis Redisis an open-source, in-memory data structure store used as a database, cache, and message broker. Using TopicBuilder, We can create new topics as well as refer to existing topics in Kafka.KafkaAdmin 37 I have a Spring Boot application and in one of the classes, I try to reference a property from the application.properties file using Value.Spring Kafka will automatically add topics for all beans of type NewTopic.user-log : is used for publishing serialized User object.Create a new field of type String called welcomeSalutation. This is where the Value annotation will help by allowing us to use property-driven dependency injection. test-log : is used for publishing simple string messages. Open up application.properties and add the following key/value: welcome.salutationHello With the property set you need a way to inject that value of it into your controller. ![]()
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