I have ear, which consist of war and ejb module. Servlet from war make call to stateless session ejb from ejb module. ear deployed into the cluster. Also there is configured load balancer for this cluster. After i have stop ejb module on one from servers, i get exception org.jboss.ha.framework.interfaces.GenericClusteringException: Container is shuting down on this node while making http request to the servlet deployed on this server. Please can you explain why ?