"petemuir" wrote : The required attribute on @In/@Out simply says whether the variable can be null or not, by default required=true. | | so, lets say we have a variable foo. | | If the context variable foo is null | | @In Foo foo; | | would throw a RequiredException | | but | | @In(required=true) Foo foo; | | wouldn't. | | Was there a typo? It might be @In(required = false) Foo foo; or? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3988142#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...