Melinda, it sounds like you're somehow getting a null reference in your
list. When you forward to the next page you have the non-null items plus the
null one. Since EL does not throw NPE, you end up with a blank line where
the null is. I can't say exactly where that null is coming from, but I can
tell you a quick and dirty way to eliminate it:
@After(stages=BindingAndValidation)
public void cleanup() {
if (items != null) {
while (items.remove(null));
}
}
That will get rid of the nulls in your list before you forward to the view.
Without seeing the source, I can't tell if it's a bug in Stripes or in your
code that is causing the problem. If you really want to *solve* the problem
instead of working around it, you should turn on debug logging in Stripes
and carefully examine the request parameters to see if you can spot the
culprit.
-Ben
On Wed, Mar 11, 2009 at 4:48 PM, Savoy, Melinda <
[email protected]> wrote:
> The scenario is as follows in the context of a Wizard:
>
> 1. During a wizard the user selects 2 items from a list
>
> 2. Upon clicking Next, a business use case error is detected for one
> of the items. Stripes handles the validation error as expected by
> forwarding to the originating wizard page and displaying the error message
> to the user
>
> 3. The user deletes the item in error and clicks Next again. When
> the user clicks Next, a JavaScript routine literally removes the item
> marked for deletion from the HTML DOM so that only the remaining one item is
> sent on the second request.
>
> 4. On the next wizard page, the one item that passed validations is
> shown as well as a blank line as if another item was sent on the second
> Next request even though there was only one item submitted
>
> Something squirrelly is going on with Stripes error handling in wizardswhen
> attempting to remove error data from a step in the wizard. Any ideas
> what might be going on and/or how to solve/fix/workaround it?
>
> Melinda Savoy
> Analy Appl Sys II
>
> ITS Supply Management Systems
>
> Texas Health Resources
>
>
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