I have no specific experience with Websphere, but it's pretty clear that it is
using parent-first classloading behavior. I'm also guessing that you are
using manual configuration of Log4j, at least for the webapps (a startup
servlet or a servlet context listener, perhaps?). In this case, the last
applicaton loaded is the one which determines the final configuration state of
the logger repository.
There are a couple ways to approach this....
1. Configure parent-last (also called child-first) classloading behavior for
the webapps
2. Use a repository selector. For J2EE apps, the best option is probably one
based on JNDI. You can find one compatible with Log4j-1.2.xx here...
http://wiki.apache.org/logging-log4j/AppContainerLogging
You'll have to set this programmatically. Does Websphere provide a startup
class that runs before anything else? Log4j 1.3 had a nice feature where it
allowed you to set this as a system property like this....
-Dlog4j.repositorySelector=JNDI
OR
-Dlog4j.repositorySelector=fully.qualified.ClassName
It would be great to have this in Log4j-1.2.xx, but I'm not sure how likely
that is to happen?
Jake
On Wed, 2 Apr 2008 10:46:53 -0400
Yakov Khesin <[EMAIL PROTECTED]> wrote:
I have a Websphere J2EE Struts application (packaged as an EAR), which
contains one Java project (represented by a JAR file) with its own
log4j configuration file with loggers and appenders, and two WEB Struts
projects, each with its own configuration file, loggers and appenders.
Both WEB projects depend on the Java project. All appenders use
DailyRollingFileAppender.
My problem is that I cannot make the three projects use their own
log4j configurations - all log messages from all three projects are
coming to file appender from one the one WEB projects. If I move all
loggers and appenders confiuguration to the Java project log4j config,
everything works, but I really need for each project to be able to use
its own configuration file.
Please let me know if anyone has any clues on how to make this work.
Thank you!
Yakov Khesin
212-855-1965
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