i disable page versioning for the duration of the ajax request processing
we need to do this so that the page version does not increment, otherwise all non-ajax links in the page will be pointing to an older version because their markup is not updated.
-Igor
On 2/18/06, Johan Compagner <[EMAIL PROTECTED]> wrote:
is it also possible the other way around?
So ajax makes versions of a page? And because of that a submit can't find it anymore because the page version is already removed?
johanOn 2/18/06, Igor Vaynberg <[EMAIL PROTECTED]> wrote:and the fix is in. give it a try it should work now.
-IgorOn 2/17/06, Igor Vaynberg <[EMAIL PROTECTED] > wrote:versioning+forms+timered ajax events do not mix nicely right now. there are some nasty timing issues.
consider this
event | requested page version | page version after event
initial loading of the page | n/a | 0
ajax timer runs | 0 | 0
ajax timer runs | 0 | 0
xml http request has cued the next ajax call (call A) this call is for version zero
you press the submit button ( call B ) this call is also for version zero
submit button (call B) | 0 | 1 <!== new version generated due to form submit
ajax request (call A) | 0 | 0 <== since ajax has requested version zero the page has been rolled back to version zero
submit button | 1 <== error , since the previous ajax request rolled back the version to zero form submit fails because it wants version 1
a possible solution i see is to have a way to encode a request (mostly ajax) for whatever the latest version is. i will look into it soon.
-IgorOn 2/17/06, Ari Suutari < [EMAIL PROTECTED]> wrote:Example of the problem is at http://download.syncrontech.com/public/ajaxpageversionproblem.zip
I didn't know now to write a complete junit test case for this, but I hope this helps at least
a little.
To use this example, load the page, press the submit button, wait 5 seconds (to give
ajax time to update) and press button again.
Ari S.
----- Original Message -----
From: "Juergen Donnerstag" < [EMAIL PROTECTED]>
To: < wicket-develop@lists.sourceforge.net>
Sent: Friday, February 17, 2006 12:22 PM
Subject: Re: [Wicket-develop] AbstractDefaultAjaxBehaviour and problem with versioned pages
> I'm all for (automated) junit tests to be added to core.
>
> Juergen
>
> On 2/17/06, Ari Suutari < [EMAIL PROTECTED]> wrote:
>> Hi,
>>
>> It looks like current cvs version has a problem with ajax things based on
>> AbstractAjaxTimerBehavior (like AjaxSelfUpdatingTimerBehavior).
>> When used on a page that is versioned weird things happen, I get messages like:
>>
>> [http-80-Processor24] INFO No version manager available to retrieve requested versionNumber 1
>> [http-80-Processor24] INFO Unable to get version 1 of page [Page class = syncrontech.examples.blastfurnace.SimpleTestPage, id =
>> 1]
>>
>> This is a simple test page with one Label (which is updated every 2 seconds with ajax) and
>> single Form + Button. When the page is loaded, ajax works ok and label is updated correctly.
>> But when I press submit button on the form (which changes the model in form which makes
>> the page versioned) these messages appear when the ajax tries to render the label. And, if I now
>> press the submit button again, I get an error page saying "page expired".
>>
>> I don't know if this has worked before, we ran into this when I promoted the ajax things
>> in wicket internally to a co-worker (I can provide a simple test application if anyone is interested).
>>
>> Ari S.
>>
>>
>>
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