log.info("will terminate, sessionId is "+sessionID());
    public void terminate() {        // WOFIX: 5.1.2        // work around a bug in WO 5.1.2 where the sessions EC will keep a lock on the SEC//        defaultEditingContext().setSharedEditingContext(null);//        if (_observer != null) //            NSNotificationCenter.defaultCenter().removeObserver(_observer);//        if (_browser != null) //            ERXBrowserFactory.factory().releaseBrowser(_browser);        super.terminate();    }