4.0.0studyboot-readiness1../pom.xmlreadiness-es8 org.springframework.bootspring-boot-starter org.springframework.bootspring-boot-test org.assertjassertj-core org.springframework.bootspring-boot-elasticsearch org.springframework.bootspring-boot-starter-json co.elastic.clientselasticsearch-java8.19.23 org.springframework.bootspring-boot-maven-pluginstudy.es8.Es8Probe