Java 7 JAX-WS Web Services starts off with downloading and installing the Oracle GlassFish Server and NetBeans IDE. Although in this book we will be using GlassFish Server 3.1.1 and NetBeans IDE 7.0.1, later versions of GlassFish and NetBeans are also compatible. We then create a JAX-WS web service with Java 7. We shall also discuss the new -clientjar option in the wsimport tool or the wsimport Ant task which is used to generate JAX-WS portable artifacts from a service WSDL. Subsequently, we use the web service artifacts to invoke the web service from a web service client.