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From "Mike Curwen" <>
Subject RE: Tomcat Logging.. whats the best way ?
Date Tue, 22 Jun 2004 16:07:02 GMT
I believe that it's 'normal' to use a logging package, rather than
system.out to perform debug logging.  A package like log4j has many
advantages including:
1) It's popular (so you get support and lots of people can help)
2) It's super-configurable (you can turn each class/package on or off,
or adjust its logging level)
3) It's not system.out  (which may not always be under your control)

> -----Original Message-----
> From: Ben Bookey [] 
> Sent: Tuesday, June 22, 2004 10:02 AM
> To: Tomcat User List
> Subject: Tomcat Logging.. whats the best way ?
> Dear List,
> We have written a webapp, and now I want to add some logging 
> inside. The app has jsp pages, servlets and a java package of 
> classes for jdbc database interaction.
> O.k. as I understood Tomcat does support logging via, 
> catalina.out etc. The logfile can even be configured based on 
> each web descriptor web.xml file. This seems quite flexible 
> until you want to start monitoring whats going on inside of 
> the com.package, not just inside the servlet container. So it 
> seems to me that we need to create/use a logger class (e.g.
> log4j)
> for the package.
> Am i right in understanding that its normal-case to use a 
> log4j type method of logging denug info for internal 
> purposes. Its not recommended to use JUST Tomcat logging for 
> the complete web app.?
> Would appreciate any view,
> regards
> BB
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