title: Error "package javax.faces.bean does not exist" at import javax.faces.bean.ManagedBean
body: <p>I am studying JSF from <a href="http://docs.oracle.com/cd/E19798-01/821-1841/bnadr/index.html">Oracle online tutorial</a>. While building its example "hello1" on netbeans it gives the following error at the line <code>import javax.faces.bean.ManagedBean;</code>:</p>
  
  <blockquote>
    <p>package javax.faces.bean does not exist </p>
  </blockquote>
  
  <p>How is this caused and how can I solve it? </p>