How to set CATALINA_HOME in log4j.xml?

Question

I need something like this:

\"param name=\"File\" value=\"${CATALINA_HOME}/logs/log4j.log\"

I saw a lot of similar questions, but there is no working solutions

Answer 1

param name="File" value="${catalina.home}/logs/log4j.log"

The catalina.home property is already made available by Tomcat.

Find a (very) brief example on the Tomcat 5.5 logging page and additional detail in the following SO question:

Log4j, configuring a Web App to use a relative path