[opencms-dev] log4j WARN in tomcat

[Daniel Tsen]

Hi Ruben:
After I reinstalled the opencms of myself .The opencms.log in 
webapps\opencms2\WEB-INF\logs recorded nothing. I always can't figure out 
the reason. Now I got it . There is no log4j.properties in 
$tomcat/webapps/opencms/WEB-INF/classes.

Strange again.  I imported the whole opencms_6.2.1_src folder and rebuilt 
it in Eclipse.But in eclipse I could find other folders in WEB-INF except 
the log4j.properties file or even the  webapp\WEB-INF\classes\ folder. Then 
when I built and got the war file, it doesn't contain the  log4j.properties 
.

As for the following info, I am not familiar with them yet. I am still a 
beginer, according to what I know , it seems that Tomcat doesn't contain 
log4j as its default logging tool. Not as opencms. right?  
>the global log4j config file should be used for tomcat specific loggers
>such as:
>
>log4j.logger.org.apache.catalina.core=DEBUG,tomcat_core
>log4j.appender.tomcat_core=org.apache.log4j.ConsoleAppender
>
>you may be familiar with lines such as:
>
>DEBUG main org.apache.catalina.core.ContainerBase.[Catalina] -
>EngineConfig: Processing START
>
>in your tomcat logs. the part after "DEBUG main" is the part that
>specifies the logger.
>



>From: ruben malchow <r_malchow at web.de>
>Reply-To: The OpenCms mailing list <opencms-dev at opencms.org>
>To: The OpenCms mailing list <opencms-dev at opencms.org>
>Subject: Re: [opencms-dev] log4j WARN in tomcat
>Date: Wed, 20 Sep 2006 12:21:25 +0200
>
>
> > # Per default we use WARN debug level and just one appender
> > log4j.rootLogger=\
> > ERROR,\
> > OC
> > it seems that tomcat or the opencms set the logger to a WARN level ,
> > and you set it to a INFO level , right?
>
>yes, you're pretty much right. except that, despite the comment (which
>says "we use WARN debug level"), the actual value is set to ERROR. also,
>this is only the value for the root logger (some kind of catch-all for
>non-configured loggers. you may configure other loggers in a similar
>way. if the log4j.properties you have there comes from the opencms
>distribution, you probably have some more lines such as this one:
>
>log4j.logger.org.opencms.init=INFO
>
>or:
>
>log4j.logger.org.opencms.workplace.tools=WARN
>
>by setting some parts of it to other debug levels, you can control the
>verbosity of specific parts of your application.
>
>however, these are opencms specific loggers which don't really belong in
>this global config:
>
>$tomcat/common/classes/log4j.properties
>
>but rather in a webapp-specific config file such as:
>
>$tomcat/webapps/opencms/WEB-INF/classes/log4j.properties
>
>
>the global log4j config file should be used for tomcat specific loggers
>such as:
>
>log4j.logger.org.apache.catalina.core=DEBUG,tomcat_core
>log4j.appender.tomcat_core=org.apache.log4j.ConsoleAppender
>
>you may be familiar with lines such as:
>
>DEBUG main org.apache.catalina.core.ContainerBase.[Catalina] -
>EngineConfig: Processing START
>
>in your tomcat logs. the part after "DEBUG main" is the part that
>specifies the logger.
>
>
>
>ruben
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