@Override
  public boolean isConnected() {
    try {
      return "pong"
          .equals(restTemplate.getForEntity(URI_VERSION + "/ping", String.class).getBody());
    } catch (RestClientException e) {
      return false;
    }
  }
Concrete implementation of {@link ClusterManagementServiceTransport} which uses Spring's
{@link RestTemplate} for communication between client and CMS endpoint.
geode-management/src/main/java/org/apache/geode/management/api/RestTemplateClusterManagementServiceTransport.java