sentinel-extension com.alibaba.csp 1.8.3 4.0.0 sentinel-datasource-etcd jar 1.8 1.8 0.3.0 com.alibaba.csp sentinel-datasource-extension io.etcd jetcd-core ${jetcd.version} junit junit test com.alibaba fastjson test org.apache.maven.plugins maven-compiler-plugin ${maven.compiler.source} ${maven.compiler.target}