I\'ve searched on this and found a few near misses. I\'ve created a java client to consume a web service using JAX-WS. Is there a way when using JAX to set the HTTP_USER_A
not sure if this is the best/most direct way to do it, but i think you could add a custom javax.xml.ws.handler.Handler to the handler chain in the dispatch javax.xml.ws.Binding. in the Handler, you should be able to set a custom map of extra http headers on the outgoing MessageContext using the MessageContext.HTTP_REQUEST_HEADERS property.