public BaseServletIOManager(HttpServletRequest request, HttpServletResponse response) {
this.request = request;
this.requestContainer = SpagoBIContainerFactory.getContainer( request );
this.response = response;
this.session = request.getSession();
IContextRetrieverStrategy contextRetriveStrategy;
IBeanContainer sessionContainer = (IBeanContainer)SpagoBIContainerFactory.getContainer( session );
Object str;
str = request.getParameter(EXECUTION_ID);
str = request.getAttribute(EXECUTION_ID);
contextRetriveStrategy = new ExecutionContextRetrieverStrategy( this.requestContainer );