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From Jörg Schaible <>
Subject Re: Class org.apache.commons.logging.impl.SimpleLog does not implement Log
Date Wed, 27 Feb 2013 17:09:18 GMT
Hi Paul,

Schuetz, Paul (EXTERN: DOS) wrote:

> Hello,
> I am trying to get up and running a simple application under an IBM WAS
> 8.0. My application consist of an simple jsf file and a bean used as an
> actionlistener for a button inside the jsf. On pushing the button the bean
> should just log using commons-logging. I am using WAS 8.0 own adaptation
> of myfaces and commons-logging. The complete stack trace as it is:
> [2/27/13 14:46:12:644 CET] 00000008 AbstractFaces E   An error occured
> [while initializing MyFaces:
> [org.apache.commons.logging.LogConfigurationException:
> [org.apache.commons.logging.LogConfigurationException: Class
> [org.apache.commons.logging.impl.SimpleLog does not implement Log


This is unfortunately a typical sign, that the app server itself has 
commons-logging in its system classpath and another one is somewhere in your 
EAR/WAR. WHat happens if you do *not* provide commons-logging?

- Jörg

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