Jakarta XML Web Services API Packages 
Package Description
javax.xml.ws
This package contains the core Jakarta XML Web Services APIs.
javax.xml.ws.handler
This package defines APIs for message handlers.
javax.xml.ws.handler.soap
This package defines APIs for SOAP message handlers.
javax.xml.ws.http
This package defines APIs specific to the HTTP binding.
javax.xml.ws.soap
This package defines APIs specific to the SOAP binding.
javax.xml.ws.spi
This package defines SPIs for Jakarta XML Web Services.
javax.xml.ws.spi.http
Provides HTTP SPI that is used for portable deployment of Jakarta XML Web Services in containers (for example servlet containers).
javax.xml.ws.wsaddressing
This package defines APIs related to WS-Addressing.