sentinel-demo com.alibaba.csp 1.8.3 4.0.0 sentinel-demo-zookeeper-datasource 3.4.14 4.0.1 com.alibaba.csp sentinel-core com.alibaba.csp sentinel-datasource-extension com.alibaba.csp sentinel-datasource-zookeeper com.alibaba fastjson org.apache.zookeeper zookeeper ${zookeeper.version} org.apache.curator curator-recipes ${curator.version} org.apache.zookeeper zookeeper