server-receiver-plugin org.apache.skywalking 6.1.0-SNAPSHOT 4.0.0 zipkin-receiver-plugin jar org.apache.skywalking skywalking-trace-receiver-plugin ${project.version} org.apache.skywalking storage-zipkin-plugin ${project.version} org.apache.skywalking skywalking-register-receiver-plugin ${project.version} com.github.ben-manes.caffeine caffeine io.zipkin.zipkin2 zipkin