code: @Override
  	public void onStart() throws Exception {
  		try {
  			startResourceManagerServices();
  		} catch (Exception e) {
  			final ResourceManagerException exception = new ResourceManagerException(String.format("Could not start the ResourceManager %s", getAddress()), e);
  			onFatalError(exception);
  			throw exception;
  		}
  	}
docs: ------------------------------------------------------------------------