Looks like I can still get tracebacks if I fix the issues that cause the 
session to throw (DB inaccessible), but why not otherwise?


On Saturday, 13 December 2014 21:40:24 UTC, Ben Sizer wrote:
>
> I upgraded Pyramid from 1.5.1 to 1.5.2, and upgraded a few other packages 
> too. Now I no longer get tracebacks when there is an error, just a 500 
> screen and a debug toolbar that does not allow me to view the traceback.
>
> I'd run Pyramid under the debugger to find out what is going wrong, but 
> that doesn't seem possible since it uses pserve.exe instead of a Python 
> script to run.
>
> Judging by the logging, something is breaking early on before the request 
> is created. I suspect the session system, but I allow exceptions to fall 
> out of there and Pyramid isn't showing that exception to me in any form. 
> The logs I do see indicate that the following happens when I request the 
> front page of my app: it attempts to get a session, then calls the view 
> function, then attempts to get a session again (perhaps because I try to 
> access request.authenticated_userid, which probably doesn't exist yet), 
> then exits the view function (via an exception).
>
> What do I have to do to see these exceptions? Either in the console, or 
> the traceback in the Debug toolbar?
>

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