4.0.0 axon axon Basic Axon Framework with Spring Boot configuration tutorial com.baeldung parent-boot-2 0.0.1-SNAPSHOT ../parent-boot-2 org.axonframework axon-bom ${axon-bom.version} pom import org.axonframework axon-spring-boot-starter org.springframework.boot spring-boot-autoconfigure compile org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-data-jpa io.projectreactor reactor-core com.h2database h2 runtime org.axonframework axon-test test org.springframework spring-test test io.projectreactor reactor-test test 4.6.0