use the versioning-mechanism of the entity-manager - I think you will see some exceptions then ... | | java.lang.Long version; | | /** | * Get the version property. | * | * @return java.lang.Long The value of version | */ | @javax.persistence.Version | public java.lang.Long getVersion() | { | return this.data.version; | } | | | .... | | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3991064#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...