Hi, I am using Jboss2.4.4+Tomcat3.2.3. I want to connect MySQL to Jboss instead of the default Hypersonic database. I am not sure which files I should modify and how I should modify them. I have read many threads in this forum, but I can¡¯t find a specific and complete one about Jboss2.4.4. I think I need to modify those files under JBOSS_HOME\conf\default: 1.Jboss.jcml 2.Standardjboss.xml 3.Standardjaws.xml I typically don¡¯t know how to modify the parts related to database. I have put MySQL driver to JBOSS_HOME\lib\ext. I am in urgent need of your helpJ Any information will be greatly appreciated.