jax-ws tomcat demo

------------------------------------转---------------------------------

In this tutorial we are going to see how to deploy JAX-WS Web Services on
Tomcat. For this tutorial we are going to use Eclipse Eclipse 4.3 Kepler, which
will also help us to construct the necessary WAR file for the Web
Application.

In order to deploy a Web Service on Tomcat one should follow these steps:

  1. Frist of all you have to download Apache Tomcat.

  2. Copy JAX-WS RI jars
    in TOMCAT_HOME/lib folder

  3. Create a Dynamic Web Application in Eclipse.

  4. Create a JAX-WS Endpoint (Web Service interface, and Web Service
    implementation).

  5. Create a sun-jaxws.xml to define the Web Service
    implemenation class.

  6. Create a web.xml to describe the structure of the
    web project.

  7. Export WAR file from Eclipse and copy it
    to TOMCAT_HOME/webapps folder.

  8. Start Tomcat.

1. JAX-WS Dependencies in Tomcat

Tomcat will need some jars in order to deploy a JAX-WS Web Service. You have
to go to : http://jax-ws.java.net/ and download JAX-WS RI library.
Unzip the folder and copy the jars
in TOMCAT_HOME/lib folder. If you don’t want to copy the
complete library these are the jars that are necessary:

  • gmbal-api-only.jar

  • jaxb-impl.jar

  • jaxws-api.jar

  • jaxws-rt.jar

  • management-api.jar

  • policy.jar

  • stax-ex.jar

  • streambuffer.jar

2. Create a Dyncamic Web Project in Eclipse

Open Eclipse IDE and go to File -> New -> Project -> Web ->
Dynamic Web Project :

Then create a Project with name JAX-WS-Tomcat.

3. Service Endpoint

In order to create our Web Service Endpoint:

  • First you have to create a Web Service Endpoint Interface. This interface
    will contain the declerations of all the methods you want to include in the
    Web Service.

  • Then you have to create a class that actually implements the above
    interface, which will be your Endpoint implementation.

Web Service Endpoint Interface

WebServiceInterface.java:

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package com.javacodegeeks.enterprise.ws;

import javax.jws.WebMethod;

import javax.jws.WebService;

import javax.jws.soap.SOAPBinding;

import javax.jws.soap.SOAPBinding.Style;

@WebService

@SOAPBinding(style = Style.RPC)

public
interface WebServiceInterface {

    @WebMethod

    String printMessage();

}

　　

Web Service Endpoint Implementation

WebServiceImpl.java:

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package com.javacodegeeks.enterprise.ws;

import javax.jws.WebService;

@WebService(endpointInterface = "com.javacodegeeks.enterprise.ws.WebServiceInterface")

public
class WebServiceImpl implements WebServiceInterface{

    @Override

    public
String printMessage() {

        return
"Hello from Java Code Geeks Server";

    }

}

　　

4. Create the web.xml file

Go to WebContent/WEB-INF folder and create a new XML
file .This is a classic web.xml file to deploy a Web
Service.

web.xml:

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<?xml version="1.0"
encoding="UTF-8"?>

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems,

Inc.//DTD Web Application 2.3//EN"

"http://java.sun.com/j2ee/dtds/web-app_2_3.dtd">

<web-app>

    <listener>

        <listener-class>

            com.sun.xml.ws.transport.http.servlet.WSServletContextListener

        </listener-class>

    </listener>

    <servlet>

        <servlet-name>sayhello</servlet-name>

        <servlet-class>

            com.sun.xml.ws.transport.http.servlet.WSServlet

        </servlet-class>

        <load-on-startup>1</load-on-startup>

    </servlet>

    <servlet-mapping>

        <servlet-name>sayhello</servlet-name>

        <url-pattern>/sayhello</url-pattern>

    </servlet-mapping>

    <session-config>

        <session-timeout>30</session-timeout>

    </session-config>

</web-app>

　　

5. Create sun-jaxws.xml file.

You have to define the Service Endpoint Implementation class as the endpoint
of your project, along with the URL pattern of the Web Service. Go
to WebContent/WEB-INF folder and create a new XML
file

sun-jaxws.xml:

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<?xml version="1.0"
encoding="UTF-8"?>

<endpoints xmlns="http://java.sun.com/xml/ns/jax-ws/ri/runtime"

    version="2.0">

    <endpoint name="WebServiceImpl"

        implementation="com.javacodegeeks.enterprise.ws.WebServiceImpl"

        url-pattern="/sayhello"
/>

</endpoints>

　　

You can find more info in the JAX-WS Documentation.

This is the Eclipse Project Structure:

6. Export WAR file

Now, go to the Package explorer and Right Click on the Project -> Export
-> WAR file :

Now you have to save the WAR file:

After exporting the WAR file you have to copy it
to TOMCAT_HOME/webapps folder. There are quite a few ways
to create the WAR file. You can use Maven, Ant, or even the jar command line
tool.

Now you can start Tomcat. Then put the following URL in your Web Browser
:






1 http://localhost:8080/JAX-WS-Tomcat/sayhello

If everything is ok this is what you should get:

Now you can create a consumer of the Web Service like we did in previous
tutorials like JAX-WS
Hello World Example – RPC Style.

This was an example on how to deploy JAX-WS Web Services on Tomcat.
Download the Eclipse Project of this example : JAX-WS-Tomcat.zip

时间： 2024-09-27 18:31:38

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