sentinel-demo com.alibaba.csp 1.8.3 4.0.0 sentinel-demo-apache-httpclient 2.1.3.RELEASE 4.3 4.5.6 com.alibaba.csp sentinel-core com.alibaba.csp sentinel-transport-simple-http com.alibaba.csp sentinel-apache-httpclient-adapter ${project.version} org.springframework.boot spring-boot-starter-web ${spring.boot.version} org.springframework.boot spring-boot-starter-test ${spring.boot.version} org.apache.httpcomponents httpclient ${apache.httpclient.version}