Connecting to a web service using apache HttpClient

The Appache HTTP Components library works fine for communicating with a regular web site, but cannot connect to the web service.

I am creating components to run inside a Java Desktop application that will interact with the REST web service using the Jersey framework. The web service is running and I can transfer it using my web browser and using the Test-Web-Service function in netbeans.

The client code works fine if I try to read from a regular web page or even the default page for the Glassfish web server running on my machine. Why, when I try to get to the web service using my client program (code below), I get a 404 Not Found error from the web server?

import java.io.*;
import org.apache.http.*;
import org.apache.http.client.*;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.client.methods.*;  //HttpHead, HttpPut, HttpGet, etc...
import org.apache.http.util.EntityUtils;

public class ApacheClientDemo {

  public static void demo() throws IOException {           
     String uri = "http://localhost:8080/Proctorest/resources/helloWorld";
     HttpClient httpclient = new DefaultHttpClient();
     HttpGet httpget = new HttpGet(uri);
     HttpResponse response = httpclient.execute(httpget);
     System.out.println(response.getStatusLine().toString());
     HttpEntity entity = response.getEntity();
     System.out.println();
     System.out.println(EntityUtils.toString(entity));       
  }

  public static void main(String[] args) {
    try {
        demo();
    }
    catch(IOException ioe) {
        System.out.println(ioe);
    }
  }
}

When you go to a regular web site online or a web service site hosted locally, the output

 HTTP/1.1 200 OK

The following is the contents of the web page.

The code above gives me

  HTTP/1.1 404 Not Found

/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
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*
* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
* License. You can obtain a copy of the License at
* http://www.netbeans.org/cddl-gplv2.html
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* your own identifying information:
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*/

package helloworld;

import javax.ejb.EJB;
import javax.ejb.Stateless;

import javax.ws.rs.Path;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Produces;
import javax.ws.rs.Consumes;

/**
* REST Web Service
*
* @author mkuchtiak
*/

@Stateless
@Path("/helloWorld")
public class HelloWorldResource {

    @EJB
    private NameStorageBean nameStorage;
    /**
    * Retrieves representation of an instance of helloworld.HelloWorldResource
    * @return an instance of java.lang.String
    */
    @GET
    @Produces("text/html")
    public String getXml() {
        return "<html><body><h1>Hello "+nameStorage.getName()+"!</h1></body></html>";
    }

    /**
    * PUT method for updating an instance of HelloWorldResource
    * @param content representation for the resource
    * @return an HTTP response with content of the updated or created resource.
    */
    @PUT
    @Consumes("text/plain")
    public void putXml(String content) {
        nameStorage.setName(content);
    }
}

/////////// NameStorageBean .java

import javax.ejb.Singleton;

/** Singleton session bean used to store the name parameter for "/helloWorld" resource
*
* @author mkuchtiak
*/
@Singleton
public class NameStorageBean {

    // name field
    private String name = "World";

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

}