The library jboss-seam-ioc.jar is in the classpath and it occours on restart and startup View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4054462#4054462 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4054462