Recommend a good article, explained in detail, JDK's logging, although he still didn't carefully read, believe it is more valuable, at least I have a little Logging for JDK. But personal comparison with Jakata Commons logging, you can give us more choices.
http://www.phptr.com/articles/article.asp?p=361635&seqnum=4&rl=1
Source http://blog.9cbs.net/zeeho_81/rChive/2005/03/02/308493.aspx
