Both are logically transient and Adrian is saying they should be physically transient as well in terms of the default java serialization behavior. We used to have: | /** The attachments */ | private transient Attachments transientAttachments = new AttachmentsImpl(); | | /** The managed objects */ | private transient Attachments transientManagedObjects = | GeneratedAOPProxyFactory.createProxy(new AttachmentsImpl(), Attachments.class); | Now transientAttachments exists as ManagedObjectsWithTransientAttachmentsImpl.transientAttachments and is marked transient, and transientManagedObjects exists as ManagedObjectAttachmentsImpl.transientManagedObjects and is not marked transient. Its also no longer an aop proxied instance. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4165709#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...