. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2. Apache Groovy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . details and up-to-date information. See also the experimental Kofu DSL developed in Spring Fu incubator. 1.7. Web 5 1.7.1. Router DSL Spring Framework comes with a Kotlin router DSL available in 3 variables 21 ◦ Kotlin properties do not override Java-style getters and setters 22 Chapter 2. Apache Groovy Groovy is a powerful, optionally typed, and dynamic language, with static-typing and static

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2. Apache Groovy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . details and up-to-date information. See also the experimental Kofu DSL developed in Spring Fu incubator. 1.7. Web 5 1.7.1. Router DSL Spring Framework comes with a Kotlin router DSL available in 3 variables 21 ◦ Kotlin properties do not override Java-style getters and setters 22 Chapter 2. Apache Groovy Groovy is a powerful, optionally typed, and dynamic language, with static-typing and static

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341 10.3. Apache Kafka Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation Spring Boot is compatible with Apache Maven 3.3 or above. If you do not already have Maven installed, you can follow the instructions at maven.apache.org. TIP On many operating systems, Maven (build 1.8.0_102-b14) Java HotSpot(TM) 64-Bit Server VM (build 25.102-b14, mixed mode) 12 $ mvn -v Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T14:33:14- 04:00) Maven home: /

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 403 10.3. Apache Kafka Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412 10.4. Apache Pulsar Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RabbitMQ • Kafka: Auto-configuration for Spring Kafka • Pulsar: Auto-configuration for Spring for Apache Pulsar • RSocket: Auto-configuration for Spring Framework’s RSocket Support • Spring Integration:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 403 10.3. Apache Kafka Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412 10.4. Apache Pulsar Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RabbitMQ • Kafka: Auto-configuration for Spring Kafka • Pulsar: Auto-configuration for Spring for Apache Pulsar • RSocket: Auto-configuration for Spring Framework’s RSocket Support • Spring Integration:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 403 10.3. Apache Kafka Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412 10.4. Apache Pulsar Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RabbitMQ • Kafka: Auto-configuration for Spring Kafka • Pulsar: Auto-configuration for Spring for Apache Pulsar • RSocket: Auto-configuration for Spring Framework’s RSocket Support • Spring Integration:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401 10.3. Apache Kafka Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410 10.4. Apache Pulsar Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RabbitMQ • Kafka: Auto-configuration for Spring Kafka • Pulsar: Auto-configuration for Spring for Apache Pulsar • RSocket: Auto-configuration for Spring Framework’s RSocket Support • Spring Integration:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404 10.3. Apache Kafka Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413 10.4. Apache Pulsar Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RabbitMQ • Kafka: Auto-configuration for Spring Kafka • Pulsar: Auto-configuration for Spring for Apache Pulsar • RSocket: Auto-configuration for Spring Framework’s RSocket Support • Spring Integration:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401 10.3. Apache Kafka Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410 10.4. Apache Pulsar Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RabbitMQ • Kafka: Auto-configuration for Spring Kafka • Pulsar: Auto-configuration for Spring for Apache Pulsar • RSocket: Auto-configuration for Spring Framework’s RSocket Support • Spring Integration:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 403 10.3. Apache Kafka Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412 10.4. Apache Pulsar Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RabbitMQ • Kafka: Auto-configuration for Spring Kafka • Pulsar: Auto-configuration for Spring for Apache Pulsar • RSocket: Auto-configuration for Spring Framework’s RSocket Support • Spring Integration: