title: The value for the useBean class attribute ... is invalid
body: <p>I want to use a Java file <code>SaveProp</code> which is written in a package <code>user</code>. The class file has been placed in <code>WEBINF/classes</code>. Below are the two lines which cause the issue.</p>
  
  <pre><code>jsp:useBean id="user" class="user.SaveProp" scope="session"
  
  jsp:setProperty name="user" property="*"
  </code></pre>
  
  <p>It throws:</p>
  
  <pre><code>The value for the useBean class attribute user.SaveProp is invalid
  </code></pre>
  
  <p>I'm using Tomcat 6.0.</p>