Hi, I have created an seam project skeleton via seam-gen and copied the .java sources of the blog example into the relevant packages. Then I have updated the ear target of the build file with | <include name="lib/jboss-system*.jar" /> | <include name="lib/jboss-jmx*.jar" /> | <include name="lib/hibernate-search*.jar" /> | <include name="lib/jgroups*.jar" /> | But I still keep getting a java.lang.RuntimeException: Could not create Component: postAction Caused by: java.lang.NoClassDefFoundError: org/jgroups/MembershipListener when I try to deploy it. Can somebody tell me what's missing? Thanks in advance! Matthias View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4101091#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...