[logback-user] Log Message regardless of Log Level

Shane Kelly logback at ballinascreen.com
Sat Dec 15 01:56:49 CET 2012


Thanks for your suggestion - after a quick skim through the documentation
it certainly looks like markers may provide the behaviour I'm looking for -
will give that a try.



On 15 December 2012 00:21, Ralph Goers <rgoers at apache.org> wrote:

> Use a Marker.  Then set a Marker filter to always accept events with that
> Marker.
> Ralph
> On Dec 14, 2012, at 2:42 PM, Shane Kelly wrote:
> > Folks,
> >
> > Just wondering if there is a capability within Logback for writing a log
> message regardless of whatever log level has been set in configuration.
> Consider the scenario where I want my web application to output some
> diagnostic information at startup or shutdown - for example, the Web
> Application version, build date etc. If I were to set the log level of
> these messages to be TRACE, DEBUG, or INFO then its possible they may never
> be displayed since the app may typically be configured to run with a log
> level of WARN. Similarly, I don't want to set the log level of the messages
> to WARN, ERROR or FATAL in order to ensure that they do get displayed since
> they're not really error messages, and if we monitor the log files for
> WARN, ERROR or FATAL messages then this would trigger a false positive.
> >
> > So, is there some way to force a message to be logged at all times,
> independently of log level? Or some way to achieve this effect via existing
> configuration. Arguably I suppose this is bending the rules slightly, in
> that it could be abused - why offer the ability to filter certain log
> levels if an application can override/ignore them - but perhaps this is
> something which could be configurable/switchable?
> >
> > Regards,
> >
> > Shane
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