How to use

resumeConversation

method

in

org.jboss.seam.contexts.FacesLifecycle

pageContext.get().set("org.jboss.seam.jsf.SeamPhaseListener.conversationFound", conversationFound);
FacesLifecycle.resumeConversation(facesContext.getExternalContext());

/**
* Restore the page and conversation contexts during a JSF request
*/
protected void afterRestoreView(FacesContext facesContext)
{       
  boolean conversationFound = Contexts.isPageContextActive() ? Contexts.getPageContext().isSet("org.jboss.seam.jsf.SeamPhaseListener.conversationFound") : false;
  FacesLifecycle.resumePage();
  Map parameters = facesContext.getExternalContext().getRequestParameterMap();
  if (!conversationFound) // there is exceptional case when restoring of conversation wasn't called while page context was lazily initialized
  {
   ConversationPropagation.instance().restoreConversationId(parameters);
   conversationFound = Manager.instance().restoreConversation();
  }
  FacesLifecycle.resumeConversation( facesContext.getExternalContext() );
  postRestorePage(facesContext, parameters, conversationFound);
  }