This problem comes from that your client (i.e IDE) uses differet ejb3 libraries than your current jboss server. You can fix the problem by removing all ejb3 libraries that your IDE uses and then add the same ejb3 libraries located in jbossXXXGA/server/default(depends here)/lib
View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3953393#3953393 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3953393 Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ JBoss-user mailing list JBoss-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jboss-user