On Thu, May 22, 2008 at 3:16 AM, Lachlan Deck <[EMAIL PROTECTED]> wrote:
> On 21/05/2008, at 8:11 PM, Patrick Middleton wrote: > >> >> On 21 May 2008, at 10:59, santoshg wrote: >> >> I am using WOLongResponsePage Component in my project. >>> But in the run time, it is showing the error message: >>> >>> Session.context() evaluates to null. You may be trying to get the >>> context object >>> from an archived session object. there is no context object >>> outside of the >>> request-response loop. >>> >>> The component is unable to generate response. >>> I would like to know how to access the Session context in >>> WOLongResponsePage performAction() method. >>> >>> Please help in solving the above situation, if possible with some >>> code snippet. >>> >>> Thanks and Regards, >>> gsk. >>> >> >> You can't, and you shouldn't try. >> A request is received and processed and a response is generated, and this >> all happens in one thread, and it needs to be quick. While this is >> happening you have access to the Session and the WOContext in that thread. >> What you need to do is get all the properties you need from the Session or >> WOContext before you start the thread that does the long response thing, and >> store them in instance variables in your component, so that when the >> secondary thread is running it can use those instead. >> > > Also bear in mind that accessing the session's editing context within the > performAction thread is a sure path to deadlocks. > Using the sessions editingContext in a background thread with proper locking/unlocking should be ok I think. Cheers Tonny > > with regards, > -- > > Lachlan Deck > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/webobjects-dev/mezz.dk%40gmail.com > > This email sent to [EMAIL PROTECTED] >
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