Please make sure you have read the Tag Syntax document and understand how tag attribute syntax works.
id attribute is deprecated in Struts 2.1.x, and has been replaced by the
Setting a default value for includeParams
The property struts.url.includeParams can be used to set the default value of the includeParams attribute.
See Constant Configuration for further information.
As of Struts 2.1.3 the
includeParams constant defaults to "none".