"hondawei" wrote : I can't find infromation about what version of Spring that JBoss 4.0.4 and JBoss 4.0.5 support. | It's the other way around that matters. ;-) "hondawei" wrote : | Should I upload Spring library when I use JBoss or JBoss had built-in Spring library? JBoss doesn't ship with Spring, so it basically depends which version of SpringDeployer you want to use. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4026383#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...