Thanks Bill,
found the problem. I changed the javascript to instead set the value
of a hidden field and it works. Seems that the url being as below was
causing the request to be a get and not a post. That was the problem.
Sohil
> function updateDisplayData(fieldName){
> document.ApplicationForm.action =
> "/loa/updateApplicationData.do?changedField="+fieldName;
> document.ApplicationForm.submit();
> }
-----Original Message-----
From: news [mailto:[EMAIL PROTECTED] On Behalf Of Bill Siggelkow
Sent: Tuesday, April 20, 2004 8:35 PM
To: [EMAIL PROTECTED]
Subject: Re: Form Object is null
Did you specify the form in the "name" attribute of the action mapping
for the "udpateApplicationData" action? If you still have problems try
setting the scope of the form to session.
MARU, SOHIL (SBCSI) wrote:
> Hello All,
> I have a page on which I have to update 2-3 fields based on value
> selected by the user for another field. What I did was create an
action
> which I call by executing some javascript by capturing the onchange
> event. Here is my struts-config.xml clip
> <form-bean name="ApplicationForm"
> type="com.sbc.hrtech.loa.ui.form.LoaApplicationForm"/>
> ...
> ...
> ...
> ..
> <action path="/updateApplicationData" validate="false"
> type="com.sbc.hrtech.loa.ui.action.UpdateApplicationDataAction"
> scope="request" input="/WEB-INF/jsp/application.jsp"
> name="ApplicationForm">
> <forward name="success"
> path="/WEB-INF/jsp/application.jsp"/>
> </action>
>
> In my html(actually XSL), I have the following javascript function
> function updateDisplayData(fieldName){
> document.ApplicationForm.action =
> "/loa/updateApplicationData.do?changedField="+fieldName;
> document.ApplicationForm.submit();
> }
>
> However in the action class, when I try to refer to the form, I get a
> null pointer exception. Any ideas what I am doing wrong?
>
> public ActionForward execute(ActionMapping am, ActionForm af,
> HttpServletRequest req, HttpServletResponse res)
> throws Exception {
> HttpSession sess = req.getSession();
> ActionErrors actionErrs = new ActionErrors();
> LoaApplicationForm laf = (LoaApplicationForm)af;
> --> LINE WHICH THROWS THE EXCEPTION BELOW
> if(laf.validBeginDate(actionErrs) &&
> laf.validEndDate(actionErrs)){
>
> Thanks,
> Sohil
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