Some people think it's a but some doesn't. I had the same problem and found this as a workaround:
http://jroller.com/page/eyallupu?entry=hibernate_exception_simultaneously_fetch_multiple To make a long story short: Instead of Bags like collections use list :) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3953231#3953231 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3953231 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