ClassNotFoundException in eclipse while making a webservice call
<p>I am facing an issue respective to making a web service</p>

<blockquote>
  <p>java.lang.ClassNotFoundException:
  com.sun.jersey.spi.container.servlet.ServletContainer     at
  org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1891)
    at
  org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1734)
    at
  org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:504)
    at
  org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:486)
    at
  org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:113)
    at
  org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1146)
    at
  org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1085)
    at
  org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5349)
    at
  org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5641)
    at
  org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
    at
  org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1571)
    at
  org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1561)
    at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)    at
  java.util.concurrent.FutureTask.run(Unknown Source)   at
  java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)     at
  java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)    at
  java.lang.Thread.run(Unknown Source)</p>
</blockquote>

<p>My web.xml is</p>

<pre><code>&lt;web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"&gt; &lt;servlet&gt;   &lt;servlet-name&gt;Jersey REST Service&lt;/servlet-name&gt; &lt;servlet-class&gt;   com.sun.jersey.spi.container.servlet.ServletContainer &lt;/servlet-class&gt; &lt;init-param&gt;
    &lt;param-name&gt;com.sun.jersey.config.property.packages&lt;/param-name&gt;
    &lt;param-value&gt;com.helloRS&lt;/param-value&gt;   &lt;/init-param&gt;   &lt;load-on-startup&gt;1&lt;/load-on-startup&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt;   &lt;servlet-name&gt;Jersey REST Service&lt;/servlet-name&gt;   &lt;url-pattern&gt;/rest/*&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; &lt;/web-app&gt;
</code></pre>