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From Matt Sicker <boa...@gmail.com>
Subject Re: Where is it documented that you can supply a Throwable in a varargs log message?
Date Fri, 29 Jan 2016 23:57:25 GMT
Remko, that's exactly the method I was thinking of. It almost seems to be a
hidden feature. I was arguing with a co-worker earlier today about it and
he doesn't believe me that you can do this, partly because it's not
documented anywhere as far as I can tell.

On 29 January 2016 at 17:06, Remko Popma <remko.popma@gmail.com> wrote:

> Really? I thought ParameterizedMessage took care of that: it checks that
> the last param is a Throwable.
>
> https://logging.apache.org/log4j/2.x/log4j-api/xref/org/apache/logging/log4j/message/ParameterizedMessage.html#L138
>
> StringFormattedMessage also:
> https://logging.apache.org/log4j/2.x/log4j-api/xref/org/apache/logging/log4j/message/StringFormattedMessage.html#L45
>
> Does this not work correctly?
>
>
>
> Sent from my iPhone
>
> > On 2016/01/30, at 7:22, Gary Gregory <garydgregory@gmail.com> wrote:
> >
> > That only works when you call an API that is typed with Throwable.
> >
> > G
> >> On Jan 29, 2016 2:11 PM, "Matt Sicker" <boards@gmail.com> wrote:
> >>
> >> Why can't it log the stack trace as well? Can't you specify
> >> %throwable{full} in the pattern?
> >>
> >>> On 29 January 2016 at 16:00, Gary Gregory <garydgregory@gmail.com>
> wrote:
> >>>
> >>> What is misleading IMO is that the var arg API will NOT log the stack
> >>> trace.
> >>>
> >>> There is no way to log with a message template, args, and also an
> >>> exception.
> >>>
> >>> This bites me from time to time.
> >>>
> >>> What I need is an API that looks like this:
> >>>
> >>> Logger.debug(ex, "blah {} {}", arg1, arg2):
> >>>
> >>> Gary
> >>>> On Jan 29, 2016 1:28 PM, "Matt Sicker" <boards@gmail.com> wrote:
> >>>>
> >>>> Like when you do logger.debug("{}", foo, ex). I know it's supported,
> >> but
> >>> I
> >>>> can't find anywhere that this is mentioned.
> >>>>
> >>>> --
> >>>> Matt Sicker <boards@gmail.com>
> >>
> >>
> >>
> >> --
> >> Matt Sicker <boards@gmail.com>
> >>
>



-- 
Matt Sicker <boards@gmail.com>

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