Hmm, you are not aware of the debug(Object, Throwable) method in
Logger class, are you? You can just write:
log.debug("genereting stack trace", new Exception());
At 15:10 01.08.2002 +0200, you wrote:
> I knew about the location info stuff, but this applies to all messages
>logged, and that will clearly affect performance even more than doing it
>for just a few log messages. Also, the location info does not include
>the entire stack trace, thus making it difficult to trace the entire
>chain of method calls... The problem with my approach is that it is not
>configurable; you have to recompile to add stack trace information to a
>particular place in your code. But I still think it is useful, for
>debugging purposes mainly.
>
>Ciao,
> Hein
>
>On Tue, 2002-07-30 at 22:34, Mark Womack wrote:
> > Logging events also support something called location info. It records
> > where the event was logged from and can be displayed via the PatternLayout
> > (see the javadoc for details). It displays the stack from where the
> logging
> > event was recorded. All you have to do is use the correct conversion
> > character in the PatternLayout.
> >
> > But it will affect performance if displayed with every logging message (as
> > will your code below, I believe).
> >
> > -Mark
> >
> > > -----Original Message-----
> > > From: Hein Meling [mailto:meling@item.ntnu.no]
> > > Sent: Tuesday, July 30, 2002 12:48 PM
> > > To: Log4J Users List
> > > Subject: feature request: logging a stack trace
> > >
> > >
> > > hi.
> > >
> > > sorry if this is not the right place for this kind of request, but i
> > > don't want to subscribe to the developers list.
> > >
> > > anyway, sometimes it may be very useful to log a stack
> > > trace, even if
> > > there was no exception, in order to determine from where a method is
> > > being called. is this idea something that could be interesting to add
> > > to the Logger (or Category) class in Log4j? That is a method like:
> > > logStackTrace(), or whatever...
> > >
> > > my implementation (residing in a class called Debug) is
> > > very rough so,
> > > it needs a bit of cleaning up to fit well into log4j:
> > >
> > >
> > > public static void logStackTrace(org.apache.log4j.Logger log)
> > > {
> > > try {
> > > throw new Exception();
> > > } catch (Exception e) {
> > > StringWriter swriter = new StringWriter();
> > > e.printStackTrace(new PrintWriter(swriter));
> > > log.debug(swriter.toString());
> > > }
> > > }
> > >
> > >
> > > comments?
> > >
> > > ciao,
> > > - hein
> > >
> > > --
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>
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--
Ceki
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