I believe that should have been -Dlog4j.configuration=file:/c:/foo/log4j.properties I've done this sort of thing many times before.
I've also found it helpful to add -Dlog4j.debug (no value needed) to debug logging. http://logging.apache.org/log4j/1.2/manual.html ~ David Smiley Author: http://www.packtpub.com/solr-1-4-enterprise-search-server/ On Mar 19, 2010, at 12:27 PM, Király Péter wrote: > Hi, > > on page 205 of the Solr 1.4 Enterprise Search Server book there is an > example, > of how to reference log4j.properties file from Jetty. I tried that and > several other > methods (like -Dlog4j.properties=<path to file>), but the only working way > was to put create a WEB-INF/classes directory inside the solr.war, and put > the file there (tip I found in the list's archive). > > Is it possible, that there is no other way? > > Thanks, > Péter >