It's not a bad idea. Log4j 1.2.xx gives you one option. On the command line
that starts the server, the sysadmin can add...
java -Dlog4j.configuration=/path/to/log4j.xml .....
Of course, if you have more than one app running on the server and you want
separate config files per app (assuming you have the inherent capability for
separation via child-first classloading or a custom repository selector), then
you'll have to come up with something more like you idea about configuring it
as a JNDI String resource.
Such capability was implemented in the abandoned 1.3 experiment as the
ContextJNDISelector [1]. You could adapt this code to your liking. I would
actually like to see this in the extras and in Log4j 2.0 if it ever comes into
being.
[1]
http://svn.apache.org/repos/asf/logging/log4j/branches/BRANCH_1_3_ABANDONED/src/main/java/org/apache/log4j/selector/ContextJNDISelector.java
Jake
On Wed, 20 Aug 2008 13:45:55 +0100
"Paul Pepper" <[EMAIL PROTECTED]> wrote:
Placing log4j settings in the log4j.properties (or log4j.xml) file
under WEB-INFO/classes effectively requires the developer to configure
logging - e.g. unexploded war files. Shouldn't it be the job of the
system admin who deploys the application to configure things like log
file location? Or have I missed something?
I would like to give the system admin the ability to set the location
of the log4j log file in my applications (as with access log info when
a sys admin can use org.apache.catalina.valves.AccessLogValve in
Tomcat's server.xml). The server.xml (or context.xml) seems like the
right place to set the location of the log4j log file - maybe as a
JNDI string resource.
Can anyone suggest a way of giving system administrators the means of
setting log4j configuration settings? Or, can anyone explain why this
would be a bad idea?
Thanks,
Paul.
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