On Saturday, June 8, 2019 at 1:41:59 AM UTC-5, Sven Richter wrote:
>
>
>
> Am Freitag, 7. Juni 2019 15:35:41 UTC+2 schrieb Alex Miller:
>>
>> How do you start the web server?
>>
> I use component to startup immutant web, I also tried with http-kit, but
> that didnt make a difference.
>
What I mean is, what command do you use? Are using "lein ring server" or
something like that?
>
> Who is printing the error?
>>
> I think thats the key point here, right now I dont know as I never
> bothered to figure out who prints the stacktraces.
>
I don't think you're going to be able to improve this without understanding
the answer to that question.
>
>
>> There are functions available in clojure.main to replicate the message
>> from the repl - you can call them yourself.
>>
>> See https://clojure.org/reference/repl_and_main#_error_printing for more
>> on error triage and the functions like Throwable>map,
>> clojure.main/ex-triage, and clojure.main/ex-str. This chain of functions is
>> what the REPL uses to produce the message below
>>
>
>
> Thanks, I will try that, but that would mean I will have to catch every
> potential ExceptionInfo error and check if its a spec error which is pretty
> cumbersome, especially as I only want to see these outputs during
> development (instrument is turned off in production).
>
The triage process knows how to print a good message for any error, not
just a spec instrumentation error. There shouldn't be any conditional
needed.
>
> Thanks,
>
> Sven
>
>
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