I am new to Struts and am trying to use the LookupDispatchAction class to display a
page for the first time (i.e. the user is being navigated to this page from another
page).
I have everything setup fine in my struts_config.xml and Struts attempts to display my
page, but was giving the following error:
Request[/lookup] does not contain handler parameter named submit
After researching on the archives, I realized that this message is due to the fact
that the user has not yet clicked any of the "submit" button on this page (the page
hasn't even been displayed yet). The suggestion on the archive is to implement
something similar to the following in the Action class which extends
LookupDispatchAction:
public ActionForward execute(ActionMapping actionMapping,
ActionForm actionForm,
HttpServletRequest httpServletRequest,
HttpServletResponse httpServletResponse)
throws Exception
{
if (httpServletRequest.getParameter(actionMapping.getParameter()) == null)
{
return defaultMethod();
}
else
{
return super.execute(actionMapping, actionForm, httpServletRequest,
httpServletResponse);
}
}
My question is what do I return from "defaultMethod"? I have to return an
ActionForward but I don't want to forward the user anywhere -- I want to display the
page. How do I do this? I guess I could have 2 pages and 2 actions -- one to display
the page initially and one to process the page upon "submit" -- but that is ugly and I
hope not the only solution.
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