private List<URI> getHostsFromConfig(JsonObject config) throws URISyntaxException {
List<URI> hosts = new ArrayList<>();
JsonArray hostsAsArray = config.getArray("hosts", new JsonArray().addString("localhost"));
String[] hostsAsString = Arrays.copyOf(hostsAsArray.toArray(), hostsAsArray.toArray().length, String[].class);
for (String hostname : hostsAsString) {
hosts.add(new URI("http://" + hostname + ":8091/pools"));
}
return hosts;