private Response getEurekaZipkinApp() throws IOException {
    HttpUrl url = serviceUrl.newBuilder().addEncodedPathSegments(APPS_ZIPKIN).build();
    Request.Builder rb = new Request.Builder().url(url)
      .header("Accept", "application/json"); // XML is default
    if (!url.username().isEmpty()) {
      rb.header("Authorization", basic(url.username(), url.password()));
    }
    return client.newCall(rb.build()).execute();
  }
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