static URI stripBaseUrl(URI serviceUrl) {
    try {
      return new URI(serviceUrl.getScheme(), null, serviceUrl.getHost(), serviceUrl.getPort(),
        serviceUrl.getPath(), null, null);
    } catch (URISyntaxException e) {
      throw new IllegalArgumentException(e);
    }
  }
The hostName property of this instance of zipkin.
zipkin-server/src/main/java/zipkin2/server/internal/eureka/ZipkinEurekaDiscoveryProperties.java