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Problem with Rest Client

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Hi I am using Restful Webservices. Following is the code.

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;


public class HelloWorldResource{
public String sayHello(@QueryParam("world") String world) {
return "Hello " + world;

Following is the REST client:

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.WebResource;

public class HelloWorldRestClient{
public static void main(String[] args) {
Client client = Client.create();
WebResource webResource = client
String response = webResource.path("helloworld")
.queryParam("world", "World!").get(String.class);
System.out.println("Response: " + response);

When I try to the REST client I am getting the following errors:

Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/jersey/spi/inject/Errors$Closure
at HelloWorldRestClient.main(HelloWorldRestClient.java:6)
Caused by: java.lang.ClassNotFoundException: com.sun.jersey.spi.inject.Errors$Closure
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
... 1 more

I executed the same program at my PC in home. Working well that time. Don't know what I did that time.

I have added all the required jar files and added the same in the classpath too. No compilation errors.

Please assist me.

Thanks in advance

Don't get me started about those stupid light bulbs.
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