On Mon, Sep 17, 2012 at 5:59 PM, Ondrej Zizka <ozi...@redhat.com> wrote:
> Ok, thanks. I set
> this.getPageSettings().setRecreateMountedPagesAfterExpiry(false); in the
> app class.
> But, to my previous point:
>
> The page is mounted and reached with all the necessary data (to get the
> entity).
> But on AjaxEditableLabel interaction, the page is created with empty
> PageParameters.
>
> Last cause: No entity found for query
>
> WicketMessage: Can't instantiate page using constructor 'public
> org.jboss.essc.web.pages.ReleasePage(org.apache.wicket.request.mapper.parameter.PageParameters)'
> and argument ''. Might be it doesn't exist, may be it is not visible
> (public).
>
>
> Is there a mechanism to let the page be re-created with the original
> PageParameters?
> Maybe they could be kept within JS of the page and sent with the AJAX
> request? That would probably need a change in Wicket's AJAX code.
> (Wicket 1.5)
That was the case until recently but there was no way to differentiate
between original page parameters and custom request parameters for the
Ajax request itself. So we took the safest way by dropping all
parameters when a page is being auto-recreated.
>
> And also, this brings me to other question - how can I control session
> programatically? I have seen some pages, old ones, and mostly they do a
> timer-based ajax request on a page to keep the session alive.
> Is that a best practice? (Assuming I want to keep the session short for
> other pages).
I am not aware of another way to do this.
>
> Thanks,
> Ondra
>
>
>
>
>
>
> On Mon, 2012-09-17 at 10:50 +0300, Martin Grigorov wrote:
>
>> Hi,
>>
>> Usage of Wicket's Ajax behaviors make the page stateful, so there is
>> no easy way to make it stateless.
>> The easiest solution is to use
>> org.apache.wicket.settings.IPageSettings#setRecreateMountedPagesAfterExpiry(false).
>> This way you'll see the configured
>> org.apache.wicket.settings.IApplicationSettings#getPageExpiredErrorPage()
>> instead of a new instance of your page.
>>
>> On Mon, Sep 17, 2012 at 5:23 AM, Ondrej Zizka <ozi...@redhat.com> wrote:
>> > Hi,
>> >
>> > I use a AjaxEditableLabel with a PropertyModel which points to an object
>> > of the Page.
>> > But after the session expires, clicking on the label to edit it causes
>> > exception because the object of the page is empty (in my case, it
>> > results into HBN's NoResultException).
>> >
>> > What's the way to handle this?
>> >
>> > The page is mounted as /product/${name}/${version}, so the URL contains
>> > the information necessary to reload the entire page. So perhaps I could
>> > use some LoadableDetachableModel somehow?
>> > I've read about making the page stateless. Would that help?
>> >
>> > Thanks,
>> > Ondra
>>
>>
>>
>
>
--
Martin Grigorov
jWeekend
Training, Consulting, Development
http://jWeekend.com
---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
