[slf4j-user] Trouble setting up logback/slf4j in tomcat.

[Sebastien Pennec]

Hello Marten,

I've just answered to your first email on the logback-user list.

I'll link the answer here not to leave this message unanswered.

http://qos.ch/pipermail/logback-user/2006-December/000061.html

Thanks for your interest in slf4j and logback :)

Sébastien


Marten Deinum wrote:
> For my current project I would like to switch out all the logging which is
> currently being done by log4j and here en there by commons-logging to one
> framework. After some searching I discoverd SLF4J and Logback as the successor
> to log4j. In your code I swapped out all the log4j and commons-logging to the
> SLF4J api and I want to use Logback as my logger. I converted our
> log4j.properties file with the configuration converter on the website, so I
> assume that is correct.
> 
> In the tomcat directory I have the following logging libs (I want tomcat to use
> SLF4J to)
> commons/lib/commons-logging-1.1.jar
> commons/lib/jcl104-over-slf4j-1.1.0-RC1.jar
> commons/classes/logback.xml
> 
> In our webapplication (which is a packaged war and doesn't get unpacked!) I have
> WEB-INF/lib/slf4j-api-1.1.0-RC1.jar
> WEB-INF/lib/logback-classic-0.7.jar
> WEB-INF/lib/logback-core-0.7.jar
> WEB-INF/classes/logback.xml
> 
> The contents of the logback.xml in the commons directory just contains a simple
> ConsoleAppender and is configured to WARN level.
> 
> The file in the WEB-INF directory is configured as a file which should be
> written to c:\logs\mylog.log, configured different levels for different packages
> we use.
> 
> However logback isn't getting picked up, everything is being logged by the
> java.util classes (as it appears thatone is being initialized by tomcat instead
> of the logback logger).
> 
> I tried different configurations, all the logback/slf4j jars in the commons/lib
> and one config file in commons/classes. Different jars in commons/lib and
> WEB-INF/lib but until now everytime with the same result, only logging to JUL
> and nothing to logback and my configured logfile.
> 
> Currently I'm at a loss on what to do and how to make it work. I need some
> assistance with this.
> 
> Kind Regards,
>  Marten 
> 
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> 

-- 
Sébastien Pennec
sebastien at qos.ch

Logback: The reliable, generic, fast and flexible logging framework for Java.
http://logback.qos.ch/