[Haskell-cafe] Error management in Happstack

Corentin Dupont corentin.dupont at gmail.com
Thu Jan 16 08:50:14 UTC 2014


Thanks, that's great!
So if I understand, I have to create a template error page to host the
errors?
Cheers,
Corentin


On Thu, Jan 16, 2014 at 4:37 AM, Jeremy Shaw <jeremy at n-heptane.com> wrote:

> Hello,
>
> Happstack uses monad-control. You can use catch from lifted-base to
> catch the exception. I have attached a simple demo.
>
> You can learn more about monad-control many places including here:
>
> https://www.fpcomplete.com/user/jwiegley/monad-control
>
> - jeremy
>
> On Mon, Jan 13, 2014 at 3:50 PM, Corentin Dupont
> <corentin.dupont at gmail.com> wrote:
> > Hi Jeremy, all,
> > In Happstack when I throw an error, I obtain a blank page with "server
> > error: my message".
> > How can I decorate this page?
> > I'd like to have it look like the other pages of my website, and a "back
> to
> > login" link, for example.
> >
> > Thanks!
> > Corentin
> >
> > _______________________________________________
> > Haskell-Cafe mailing list
> > Haskell-Cafe at haskell.org
> > http://www.haskell.org/mailman/listinfo/haskell-cafe
> >
>
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