Have you tried using system properties? Log4j performs variable substitution in XML files as well.
At 01:44 PM 8/5/2003 -0400, Grum Ketema wrote:
Hello
I could not find a simple solution to this problem. I deploy a web application (a War file) in a web server (iplanet) and an ejb application ( an ear file) in OAS (oracle application server). I want to use log4j in both applications. The logging works fine. The problem is specifying the location of the log file. I use log4j.xml to configure log4j. In there I have to specify the location of the log file as absolute path. This creates a problem because we have to edit log4j.xml during each deployment of our application to edit the location of the log file. I attempted to solve the problem by adding the following code in a utility class
rootLogger = Logger.getRootLogger();
FileAppender fp = (FileAppender) rootLogger.getAppender("LOGFILE");
String fileName = fp.getFile();
String dir = getOracleRootDir();
if (dir!=null) {
StringBuffer logFilePath = new StringBuffer(dir);
logFilePath.append(File.separator+"log"+File.separator+fileName); fp.setFile(logFilePath.toString()); fp.activateOptions(); }
which is kind of clumsy. Is there any way of specifying the location of the log file without editing log4j.xml (e.g. programmatically or otherwise)
Regards, Grum
-- Ceki For log4j documentation consider "The complete log4j manual" ISBN: 2970036908 http://www.qos.ch/shop/products/clm_t.jsp
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