public static void start(String configFile, String propertiesFile) {
final ApplicationContext context = SpringContainerHelper.createContext("co.paralleluniverse.galaxy",
configFile != null ? new FileSystemResource(configFile) : new ClassPathResource("galaxy.xml"),
propertiesFile != null ? new FileSystemResource(propertiesFile) : null,
null);
MainMemory memory = context.getBean("memory", MainMemory.class);
((AbstractCluster)memory.getCluster()).goOnline();
}