code: protected void initErrorPage(XmlParser.Node node)
      {
          String error=node.getString("error-code",false,true);
          if(error==null||error.length()==0)
              error=node.getString("exception-type",false,true);
          String location=node.getString("location",false,true);
          getWebApplicationContext().setErrorPage(error,location);
      }
docs: /* ------------------------------------------------------------