[Seaside] How is session expiration expected to work considering this?

Johan Brichau johan at inceptive.be
Tue Aug 1 06:16:37 UTC 2017

Hi Mariano,

You indeed need to replace the cache when you changed the configuration values.
This is how it’s done in the configuration interface (see implementation of #replaceCache).

I agree it’s not intuitive. 
Perhaps we should expand WAAdmin with specific methods to configure a cache, such that the cache is reset afterwards.
I wrote down an issue: https://github.com/SeasideSt/Seaside/issues/937 <https://github.com/SeasideSt/Seaside/issues/937>


> On 31 Jul 2017, at 21:49, Mariano Martinez Peck <marianopeck at gmail.com> wrote:
> Hi guys,
> I was not yet able to correctly set session expiration timeout for my app. I was doing something like this:
> ------------
> 	app := (WAAdmin register: self asApplicationAt: aSuffix)
> 		preferenceAt: #sessionClass put: DpWebSession;
> 		preferenceAt: #actionPhaseContinuationClass put: FaCallbackProcessingActionContinuation;
> 		preferenceAt: #trackingStrategy put: FaWAQueryFieldAndCookieTrackingStrategy new;
> 		yourself.
> app configuration at: #maximumRelativeAge put: seconds.
> app configuration at: #maximumAbsoluteAge put: 0.
> "much more here to continue  customizing the app" 
> ....
> -----------
> What is the problem? That #register:asApplicationAt: ends up creating the cache BEFORE I can change the configuration...   so the 'cache' is created with the default 1800 rather than with what I want. 
> The workaround is to either do "app cache: app createCache"   or "app initialize" once I am done with all my configuration... but it looks... weird...
> Thoughts? 
> -- 
> Mariano
> http://marianopeck.wordpress.com <http://marianopeck.wordpress.com/>
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> seaside at lists.squeakfoundation.org
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