It sounds like Scott just wants to allow the user to "cancel" the
slow-loading page by navigating to another page. If his database
request happened in a LoadableDetachableModel rather than a page
constructor, would that allow a new page to be rendered while the old
one is still trying to load data?
-Ryan
On Feb 13, 2007, at 11:19 PM, Johan Compagner wrote:
> But what does that lock matter for you page if that page takes a
> long time?
> You 'loose' the database connections for all other things anyway.
> Or does that session have different windows and is displaying more
> then 1 page at the same time in tabs/frames or browser windows?
>
> johan
>
>
> On 2/13/07, Scott Lusebrink <[EMAIL PROTECTED]> wrote: I've
> realized that wicket will only render one page at a time, at least
> it will not run the constructor and onAttach methods of 2 pages at
> the same time. This is a major bottle neck on applications with
> large user bases. My app is experiencing problems because database
> calls are being run in these constructors and onAttach methods.
> While there maybe a more appropriate place for database calls to be
> run, and I'd like to hear where these should be, running only 1
> page constructor at a time doesn't seem to be efficient. I've
> found the code that does this. RequestCycle.874
> processEventsAndRespond(){
> // Use any synchronization lock provided by the target 874 Object
> lock = getRequestTarget().getLock( this); 875 if (lock != null)
> 876 { 877 synchronized (lock) 878 { 879 doProcessEventsAndRespond
> (processor); 880 } 881 }
>
> can someone explain if this behavior is intentional, is there a way
> to stop it? As a result of this behavior while a page is loading,
> no other page will load until the first has finish.
> I am using wicket 1.2
>
> Scott
>
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