Hello Guy, Which version of logback is this? On 12.12.2010 08:47, Guy Korland wrote: > Any ideas? > > java.lang.NullPointerException > at ch.qos.logback.classic.Logger.filterAndLog_1(Logger.java:426) > at ch.qos.logback.classic.Logger.info > <http://ch.qos.logback.classic.Logger.info>(Logger.java:627) > > > Guy >