Hi all, I changed my server to 4.0.5.GA and deployed my EAR to the server. After that referencing a SLSB does not work anymore: The following code is used to reference the SLSB: | @EJB(mappedName="<EAR-name>/LanguageSession/local") | protected LanguageSessionInterface languageSessionInterface; | The header of LanguageSession is as follows: | @Stateless | @Local | (com.genloop.session.Baufi.Unterlagenmanagement.LanguageSessionInterface.class) | @SecurityDomain("xyz") | public class LanguageSession implements DomainSpecificIntf, Serializable, LanguageSessionInterface { | ... | Should I reference a bean another way? Thanks for infos, Carsten View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3992443#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...