One of the major implementaiton complaints I have about Cocoon is its lack of Log4J logging functionality. Log4j, is without a doubt the best logging package for java. No other package can even hope to compare to it. If Cocoon was built to use Log4j instead of the avalon logging mechanism, it would gain an enormous amount of functionality that it lacks now.
Log4J is already integrated into avalon logkit. I'm not a logkit expert, but I guess it would require very little (if any) work to have Cocoon logging to Log4J targets. Is the opposite true? :-)
Ciao,
-- Gianugo Rabellino Pro-netics s.r.l. - http://www.pro-netics.com Orixo, the XML business alliance - http://www.orixo.com (Now blogging at: http://blogs.cocoondev.org/gianugo/)