Java Message-Driven Bean does not use security settings when calling secured web service

Question

Hi,

Using Websphere 6.1, I'm attempting to call a secured web service (using a custom authentication token) from a message-driven bean. However, the call repeatedly fails because the required token is not added to the SOAP message being sent. The settings to call the relevant TokenGenerator are specified in the deployment descriptor of the MDB, but this class is not being executed before the message is sent to web service.

I have successfully called this service, using identical security settings, through a web application.

Would anyone be able to suggest a course of action? If you need more information on the setup please ask.

Thanks in advance

Jim