[logback-user] Why is Logback being configured twice?

Daniel Serodio (lists) daniel.listas at xxx.com.br
Mon Aug 1 22:38:59 CEST 2011

I'm trying to switch an application from from log4j to Logback. This app 
uses SLF4J, Spring Framework and is deployed in Tomcat 7.

Spring Framework uses JCL, so I added the following JARs to the 
application's classpath:


I created a logback.xml file, with debug="true" so I could debug my 

When I deploy this webapp in Tomcat, I can see that Logback is being 
configured twice. Why would this happen?

Thanks in advance,
Daniel Serodio

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