4.0.0 io.zipkin.zipkin2 parent 2.12.9 io.zipkin.java zipkin-autoconfigure Auto Configuration pom ${project.basedir}/.. 1.8 java18 ui collector-kafka collector-rabbitmq collector-kafka08 collector-scribe storage-cassandra3 storage-elasticsearch storage-mysql storage-cassandra metrics-prometheus org.springframework.boot spring-boot-autoconfigure ${spring-boot.version} org.springframework.boot spring-boot-test ${spring-boot.version} test org.springframework spring-test 5.1.6.RELEASE test net.orfjackal.retrolambda retrolambda-maven-plugin none