Another test of the same thing resulted a 'classCastException', almost same seam stacktrace, but here are the important lines again: | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) | at java.lang.Thread.run(Thread.java:619) | Caused by: java.lang.IllegalArgumentException: java.lang.ClassCastException@19de347 | at sun.reflect.GeneratedMethodAccessor558.invoke(Unknown Source) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:597) | at javax.el.BeanELResolver.setValue(BeanELResolver.java:108) | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4078828#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...