Oh, sorry I misunderstood the question. You actually want a TurboFilter. See http://logback.qos.ch/manual/filters.html#TurboFilter MDCFilter should fit your needs nicely. (Look a few paragraphs down after the "TurboFilters" section. HTH, Christophe Elek wrote:
Salut Ceki, Thanks for the info... but... :)
one question tough, what about the dynamicity (sic? :) the code I see suggests the developer enters the variable at runtime into a List/Map if I want to be as 'detached as possible' from the code, is there a way log4j can setup variables or am I 'stuck' with system variable ?
Christophe Elek - Senior Software Analyst IBM Rational Serviceability Architect
-- Ceki Gülcü Logback: The reliable, generic, fast and flexible logging framework for Java. http://logback.qos.ch