I always catch Throwable at any user-facing layer, and don't catch
IllegalArgumentException anywhere so it'll get caught and logged as a
coding error at the top. I'm not currently using preconditions but
either way will work for me.

On Feb 25, 4:57 am, Shantanu Kumar <kumar.shant...@gmail.com> wrote:
> Hi,
>
> I want to gather some feedback on how others are dealing with the
> issue of pre-conditions raising AssertionError instead of
> IllegalArgumentException, whereas the general practice is to catch
> java.lang.Exception at the user-facing web layer. It would be pretty
> embarrassing for a website to expose an AssertionError stack trace
> rather than gracefully displaying an "Error occurred" page. Is the
> solution to catch Throwable (because AssertionError is a subclass of
> Error)?
>
> Shantanu

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