qbit/core/src/main/java/io/advantageous/qbit/service/discovery/impl/ServiceDiscoveryImpl.java
private void loadHealthyServices() {

        try {
            String serviceName = doneQueue.poll();

            while (serviceName != null) {

                final String serviceNameToFetch = serviceName;

                /* Don't load the service if it is already being loaded. */
                if (!serviceNamesBeingLoaded.contains(serviceNameToFetch)) {
                    serviceNamesBeingLoaded.add(serviceNameToFetch);
                    executorService.submit(() -> {
                     /*
                       Loading a service pool might take a while so
                       the actual load operation happens in its own thread.
                      */
                        doLoadHealthServices(serviceNameToFetch);
                    });
                }
                serviceName = doneQueue.poll();
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
private void loadHealthyServices() {

        try {
            String serviceName = doneQueue.poll();

            while (serviceName != null) {

                final String serviceNameToFetch = serviceName;

                /* Don't load the service if it is already being loaded. */
                if (!serviceNamesBeingLoaded.contains(serviceNameToFetch)) {
                    serviceNamesBeingLoaded.add(serviceNameToFetch);
                    executorService.submit(() -> {
                     /*
                       Loading a service pool might take a while so
                       the actual load operation happens in its own thread.
                      */
                        doLoadHealthServices(serviceNameToFetch);
                    });
                }
                serviceName = doneQueue.poll();
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
Iterate through the health service queue and load the services.