org.apache.skywalking server-cluster-plugin 6.0.0-alpha 4.0.0 cluster-zookeeper-plugin jar UTF-8 4.0.1 org.apache.skywalking server-core ${project.version} com.google.code.gson gson org.apache.curator curator-x-discovery ${curator.version} com.google.guava guava org.slf4j slf4j-api org.apache.curator curator-test 2.12.0 com.google.guava guava test