@Override
public Collection<Injectable<?>> start(final NeoServer neoServer) {
if (LOG.isInfoEnabled()) LOG.info("START " + AuthenticationExtensionInitializer.class.toString());
webServer = getWebServer(neoServer);
final Configurator configurator = neoServer.getConfigurator();
final Configuration configuration = neoServer.getConfiguration();
final String masterCredendials = configuration.getString("org.neo4j.server.credentials");
if (masterCredendials == null) {
throw new RuntimeException("missing master-credentials in neo4j-server.properties");