A little bit about Message Context
in JAX-WS :This article explains about the context that is avaiable to Client application, Handlers
and Service that can be used to access/propagate additional contextual information.
2.9.2. Handlers in JAX-WS
Introduction to Handlers in JAX-WS: This article introduces to Handler framework in JAX-WS.
Configuring, Packaging, and Deploying Handlers on the Server: This article explains server-side configuration of handlers and deployment options.
JAX-WS Handlers on the Client:This article explains client-side configuration of handlers.
2.9.3. Efficient Handlers in JAX-WS RI
Extend your Web Service applications with the new efficient Handlers in JAX-WS RI : Use this RI extension to take advantage of the JAX-WS RI's Message API for efficient access to message and other contextual information.