HttpUrl serviceUrl() {
      return new HttpUrl.Builder()
        .scheme("http")
        .host(getHost()).port(getMappedPort(EUREKA_PORT))
        .addEncodedPathSegments("eureka/v2").build();
    }
Path under the Eureka v2 endpoint for the app named "zipkin".
Note that Eureka always coerces app names to uppercase.
zipkin-server/src/test/java/zipkin2/server/internal/eureka/BaseITZipkinEureka.java