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HomeHomeDevelopment and...Development and...Building ExtensionsBuilding ExtensionsModulesModulesDisplay uncaught exceptions on siteDisplay uncaught exceptions on site
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1/10/2016 2:12 AM
 
logpop


Joined: 5/20/2013
Posts: 70

Is there a way in DNN to display all uncaught exceptions to user on site? I know that dnn logs them into eventlog.
 
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1/10/2016 5:08 AM
 
Richard Howells


Richard Howells's Avatar

www.dynamisys.co.uk
Joined: 3/26/2006
Posts: 2001
Generally this is a bad practice. Exceptions leak information about the technical implementation of a site.

Suppose a bad guy can get your site to show a message (say) 'Unable to open database X'. Now he knows that whatever bad thing he did, attempts to open a database. Now he can go hunting to see if there is a database that he *can* open.

I'd say don't do it.
Best wishes,
- Richard
Agile Development Consultant, Practitioner, and Trainer
www.dynamisys.co.uk
 
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1/12/2016 10:44 AM
 
logpop


Joined: 5/20/2013
Posts: 70
I've heard that before. My goal is not really to display technical details but to notify user that an error happens, not that he doesnt know why press on button doesnt do anything.

So on error ideal situation would be:
show error message to user: Sorry site is currently unavailable, email has been sent to admin, we will fix it as soon as possible, please come back tomorrow.

And on exception email is sent to admin/developer.

I dont wanna wrap every single function in my module in try catch block because that is unnecesary work.

I just need a function: OnUncaughException()
anbd in it i do this:
- show general error message on site
- send email to developer about error

I think in pure asp net it is possible, is it in dnn too?
 
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