Re: Weird "session-bug" when using multiple calls

cubiqsys-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Wed, 27 Feb 2008 09:21:09 -0000

Thanks a million! Nice to hear I''m not alone and just imagining things
up :D Tried the plugin and it works great!

Is this bug known to the RoR-developers btw?

On 26 Feb, 18:04, Frederick Cheung
<frederick.che...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On 26 Feb 2008, at 16:50, cubiq...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
wrote:
>
>
>
> > Hi!
>
> > Can someone understand why this happens?
>
> Yes - I ran into this and wrote it up a while
back:http://www.texperts.com/2007/05/01/race-conditions-in-rails-sessions-...
>
> Fred
>
> >http://pastebin.com/mde5f1b7
>
> > -------
>
> > #controller
> > class StartController < ApplicationController
> >        append_before_filter :get_page_settings
> >        def get_page_settings()
> >                session[:testlist] ||= Hash.new
> >        end
>
> >        def fillsession
> >                render :update do |page|
> >                        page.alert(session[:testlist].inspect)
> >                        session[:testlist]["ken"] =
"man"
> >                        session[:testlist]["barbie"] =
"woman"
> >                        page.alert(session[:testlist].inspect)
> >                end
> >        end
>
> >        def printstart
> >                render :partial => "startnav"
> >        end
> > end
>
> > #index.rhtml
> >
> > <script type="text/javascript"
charset="utf-8">
> >        new
Ajax.Updater(''startnav'',''/start/printstart'');
> >
> >
>
> > <%=link_to_remote("Fill session", :url => { :action
=>
> > "fillsession" })
> > %>
>
> > #_startnav.rhtml
> > <% sleep(5); %>
> > Hello World!
>
> > #1. I go to start/index
> > #2. The printstart trigger but starts to sleep
> > #3. Meanwhile I push the "Fill session"-link, which first
alerts an
> > empty Hash, then {"barbie"=>"woman",
"ken"=>"man"}
> > #4. The sleep is over and Hello World! displays
> > #5. I push the "Fill session"-link again. It should now
alert
> > {"barbie"=>"woman",
"ken"=>"man"} two times, but instead the session
> > is empty and alerts an empty hash the first time :( Why?
>
> > >
>
>
>  smime.p7s
> 5KHämta

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