You can develop an HTTP accessible Web service when you have an existing JavaBeans object to enable as a Web service.
Develop a Web Services Description Language (WSDL) file. You need a WSDL file to use Web services. You can develop your own WSDL file or get one from a Web services provider through e-mail, downloading, or through a Uniform Resource Locator (URL). This documentation assumes you are creating your own.
The application
server supports the use of HTTP to transport Web services client requests.
With HTTP, your Web services clients and servers can communicate through SOAP
messages. SOAP is the underlying communication protocol that is used in Web
services that support the Web Services for Java 2 platform Enterprise Edition
(J2EE), the Java API for XML-Based Web Services (JAX-WS), and the Java API
for XML-based remote procedure call (JAX-RPC) specifications.
HTTP is the most commonly used transport for Web services.
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