GWT Compiler: log4j:WARN No appenders could be found for logger (org.hibernate.validator.util.Version).

Hi,

I'm having this problem while trying to run a GWT in a Tomcat from IntelliJ.

IntelliJ starts making the app, the following messages appear in the error list :

GWT Compiler: log4j:WARN No appenders could be found for logger (org.hibernate.validator.util.Version).
GWT Compiler: log4j:WARN Please initialize the log4j system properly.
GWT Compiler: log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

This is something that I'm not having with another GWT app used in the same context.

What could be the reason ?

Thanks in advance