_authenticationManager = new PrincipalDatabaseAuthenticationManager(_name, hostConfig);
_accessManager = ApplicationRegistry.getInstance().getAccessManager();
_accessManager.configureHostPlugins(hostConfig.getSecurityConfiguration());
_brokerMBean = new AMQBrokerManagerMBean(_virtualHostMBean);
_brokerMBean.register();
initialiseHouseKeeping(hostConfig.getHousekeepingExpiredMessageCheckPeriod());
}