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log4j doesnt work on WAR files

 
LAT_kNos
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Posts: 5
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Hi there.

Im using log4j in order to see my log messages, and all works rigth, but when i try to upload my application in a WAR file, it doesnt work cause it cannot find the RealPath.

Somebody has any suggestion?

regards.
 
Paul Lester
Ranch Hand
Posts: 40
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We use a plug-in for WebLogic to initialize logging during startup and we place our log files on an absolute path, like /usr2/logs/appname/appname.log and it all works well. I'm sure that other containers have such a startup mechanism.

If you try to use the classpath, it won't work because there is no 'real' path ... it's inside of the jar.

Paul
 
LAT_kNos
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Well i think that you are talking about SERVER LOG's thats another things and it works right for me, but what i mean is that when i use Log4j using the listener "Log4jConfigListener" it throws an exception JUST when i have a not expanded WAR. The exception is

<14/12/2005 10:09:56 AM CST> <Warning> <HTTP> <BEA-101162> <User defined listene
r org.springframework.web.util.Log4jConfigListener failed: java.lang.IllegalStat
eException: Cannot set web app root system property when WAR file is not expande
d.>
log4j:WARN No appenders could be found for logger (org.springframework.web.conte
xt.ContextLoader).
log4j:WARN Please initialize the log4j system properly.

I tried to do probe it, taking out the lo4j.properties and the log file out of my application ant it didnt work anyway.

kNos
 
It is sorta covered in the JavaRanch Style Guide.
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