Sunil Mathew & James McGovern 
Java Web Services Architecture [PDF ebook] 

Written by industry thought leaders, Java Web Services Architecture is a no-nonsense guide to web services technologies including SOAP, WSDL, UDDI and the JAX APIs. This book is useful for systems architects and provides many of the practical considerations for implementing web services including authorization, encryption, transactions and the future of Web Services. – Covers all the standards, the JAX APIs, transactions, security, and more.