[Seaside] make WAWalkbackErrorHandler

Thomas Heniart heniart.thomas at gmail.com
Wed Dec 23 10:02:57 UTC 2015

Hi Esteban,

I do it by going to "localhost:YourPort/", then I click on Configure in the
right panel just below Browse and then I check
"Allow debugging of errors" and in this case all applications you will
register use WAWalkbackErrorHandler
Maybe there is an automatic way to do it but I didn't found :/


2015-12-23 8:40 GMT+01:00 Esteban Lorenzano <estebanlm at gmail.com>:

> Hi,
> So, I’m in Togo teaching Pharo and Seaside to students, and part of the
> course is to make a small application (they have 3 days for doing it). The
> first blocking issue they have is that since default error handler is
> WAHtmlErrorHandler they are lost each time they made a simple mistake
> (WAHtmlErrorHandler eats rendering problems, for example… or just shows DNU
> without saying anything.
> And of course showing the students the configuration interfase is overkill
> :)
> Now, since the default registration includes the toolbar, meaning than by
> default we have a “development app” (A correct approach, IMO), I wonder if
> we couldn’t put WAWalkbackErrorHandler as default as well? (I remember
> previous versions of Seaside had it, but it had changed since then).
> cheers,
> Esteban
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