public void populateContext(ScopesHashModel model, OgnlValueStack stack, Object action, HttpServletRequest request, HttpServletResponse response) {
Map standard = ContextUtil.getStandardContext(stack, request, response);
model.putAll(standard);
Throwable exception = (Throwable) request.getAttribute("javax.servlet.error.exception");
if (exception == null) {
exception = (Throwable) request.getAttribute("javax.servlet.error.JspException");
}
if (exception != null) {
model.put(KEY_EXCEPTION, exception);
}
}