docs: public static void setSessionPassivationAllowed (final boolean bSessionPassivationAllowed)
    {
      s_aSessionPassivationAllowed.set (bSessionPassivationAllowed);
      if (LOGGER.isInfoEnabled ())
        LOGGER.info ("Session passivation is now " + (bSessionPassivationAllowed ? "enabled" : "disabled"));
  
      // For passivation to work, the session scopes may not be invalidated at the
      // end of the global scope!
      final ScopeSessionManager aSSM = ScopeSessionManager.getInstance ();
      aSSM.setDestroyAllSessionsOnScopeEnd (!bSessionPassivationAllowed);
      aSSM.setEndAllSessionsOnScopeEnd (!bSessionPassivationAllowed);
  
      // Ensure that all session web scopes have the activator set or removed
      for (final ISessionWebScope aSessionWebScope : WebScopeSessionManager.getAllSessionWebScopes ())
      {
        final HttpSession aHttpSession = aSessionWebScope.getSession ();
        if (bSessionPassivationAllowed)
        {
          // Ensure the activator is present
          if (aHttpSession.getAttribute (SESSION_ATTR_SESSION_SCOPE_ACTIVATOR) == null)
            aHttpSession.setAttribute (SESSION_ATTR_SESSION_SCOPE_ACTIVATOR,
                                       new SessionWebScopeActivator (aSessionWebScope));
        }
        else
        {
          // Ensure the activator is not present
          aHttpSession.removeAttribute (SESSION_ATTR_SESSION_SCOPE_ACTIVATOR);
        }
      }
    }