An Action that includes the context-relative URI specified by the parameter property of our associated ActionMapping. This can be used to integrate Struts with other business logic components that are implemented as servlets (or JSP pages), but still take advantage of the Struts controller servlet's functionality
<action name="log"
parameter="/WEB-INF/classes/com/struts/ser/ShowServlet"
path="/logs1"
type="org.apache.struts.actions.IncludeAction">
</action>
