code: public void persistAttributes()
      {
          String attrName = getScopedName( STORED_ATTRS_ATTR );
          getSession().setAttribute( attrName, _scopedContainer.getSerializableAttrs() );
      }
docs: Stores the current map of request attributes in the Session.
  @deprecated Moved the persisting of attributes out of the beehive NetUI
  layer. Use {@link #getAttributeMap} to get the attributes.