I intercepted the SOAP messages being sent, and it seems that the client signs the message, but the service does not answer in kind. When setting up the client and server for message encryption, the same thing occurs -- the client correctly encrypts the outgoing message, but then this error appears: anonymous wrote : Endpoint {http://localhost:8080/atb}WSTwoServiceBeanPort does not contain operation meta data for: {http://www.w3.org/2001/04/xmlenc#}EncryptedData | Does this vaguely mean that the service is not able to properly encrypt its response? Maybe this rings a bell for someone. Thank you! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4161186#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...