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JAX-WS Web services using Eclipse

In this article we shall learn to implement JAX-WS Endpoint and Client using eclipse.
Note: In general words, “web service endpoint” is a service which published outside for user to access; where “web service client” is the party who access the published service.

Environment Used

JDK 7 (Java SE 7)
Eclipse JUNO IDE

JAX-WS Web Service End Point

Create a java project(File -> New -> Java Project) “JAXWsServer” with the following folder structure.
Project Structure

WS-Service Endpoint Interface


package com.webServices;

import javax.jws.WebMethod;
import javax.jws.WebService;

public interface Square {

	public int square(int num);



WS-Service Endpoint Implementation


package com.webServices;

import javax.jws.WebService;

@WebService(endpointInterface = "com.webServices.Square")
public class SquareImpl implements Square {

	public int square(int num) {
		return num * num;


Endpoint publisher


package com.webServices;


public class SquareWSPublisher {
	public static void main(String[] args) {
		Endpoint.publish("http://localhost:8091/WS/Square", new SquareImpl());

Run the endpoint publisher, by right clicking on the above program -> Run As -> Java Application, now your “Square web service” is deployed in URL http://localhost:8091/WS/Square.

Test It

You can test the deployed web service by accessing the generated WSDL (Web Service Definition Language) document via this URL http://localhost:8091/WS/Square?wsdl.

Developing Web Service Client

Create a new java project and name it JAXWSClient

Client stubs

To generate the client stubs you need to open the command prompt and enter the following wsimport command

wsimport - keep http://localhost:8091/WS/Square?wsdl

After running the above command, refresh your “JAXWSClient” project in eclipse, Now you will find java classes generated under src folder of “JAXWSClient” project.
JAX Client Structure
Where is wsimport?
This wsimport tool is bundle with the JDK, you can find it at “JDK_PATH/bin” folder.

Client Class

Lets create Client Class which consumes the web services.

package com.client;

import com.webservices.Square;
import com.webservices.SquareImplService;

public class Client {

	public static void main(String[] args) {
		SquareImplService service = new SquareImplService();
		Square square = service.getSquareImplPort();
		System.out.println("Square of 10 is- " + square.square(10));


Run it

Now right click on the above program -> Run As -> Java Application and you will get following output.

Square of 10 is- 100

That’s all on how to create a JAX-WS Endpoint and Client in eclipse.

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