[weld-dev] spec issue with parallel requests onto a converstaion

[Mark Struberg]

Thanks Arbi!

But as the comment already mentions: this will effectively drop the A from AJAX! 

Also the solution with the queue is 
a) sadly not a standard for JSF-2
b) will not easily work in my example with the 2 lazy loading DataTables
c) will for sure not be working for comet kind apps

LieGrue,
strub


--- Arbi Sookazian <asookazian at gmail.com> schrieb am Di, 23.3.2010:

Von: Arbi Sookazian <asookazian at gmail.com>
Betreff: Re: [weld-dev] spec issue with parallel requests onto a converstaion
An: "Mark Struberg" <struberg at yahoo.de>
CC: weld-dev at lists.jboss.org
Datum: Dienstag, 23. März, 2010 17:24 Uhr

For insight into this:

1) http://seamframework.org/Documentation/IGetTheConversationEndedTimedOutOrWasProcessingAnotherRequestWithAJAX


2) RichFace's <a4j:queue>

I'm wondering if there is a timeout (or requestDelay equivalent) in Weld?

On Tue, Mar 23, 2010 at 8:18 AM, Mark Struberg <struberg at yahoo.de> wrote:

Hi!



The spec currently says:



"The container ensures that a long-running conversation may be associated with at most one request at a time, by blocking

or rejecting concurrent requests."



We do so, but now I get a pretty ugly BusyConversationException in an AJAX enabled JSF-2 component (Primefaces DataTable).



This may easily happen in other cases too and it would be really good to allow parallel requests to a @ConversationScoped bean!



Since this will get pretty heavy used in JSF-2 with <f:ajax/> we should imo aim to address this problem somehow.



Comet and other AJAX-push technologies may also get unusable this way, since they always have an open socket for this.



Also consider a page with 2 lazy loaded DataTables. They usually get rendered empty and will start to fill itself in parallel when the page gets rendered.





txs and LieGrue,

strub



PS: a similar issue with parallel AJAX requests has already been reported to the JSF EG for the ViewMap...







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