Netbeans JSF taglib ? erro!

Front-end
#1

este e o código, quando eu tiro as tags ele fica normal mais não mostra os campos, quando eu deixo as tagas da erro 500.
<html>
<%@ taglib uri=“http://java.sun.com/jsf/html” prefix=“h” %>
<%@ taglib uri=“http://java.sun.com/jsf/core” prefix=“f” %>

&lt;f:view&gt;
  &lt;head&gt;                  
     &lt;title&gt;A Simple JavaServer Faces Application&lt;/title&gt;
  &lt;/head&gt;
  &lt;body&gt;
     &lt;h:form&gt;
        &lt;h3&gt;Please enter your name and password.&lt;/h3&gt;
        &lt;table&gt;
           &lt;tr&gt;
              &lt;td&gt;Name:&lt;/td&gt;
              &lt;td&gt;
                 &lt;h:inputText value="#{user.name}"/&gt;
              &lt;/td&gt;
           &lt;/tr&gt;             
           &lt;tr&gt;
              &lt;td&gt;Password:&lt;/td&gt;
              &lt;td&gt;
                 &lt;h:inputSecret value="#{user.password}"/&gt;
              &lt;/td&gt;
           &lt;/tr&gt;
        &lt;/table&gt;
        <p>
           &lt;h:commandButton value="Login" action="login"/&gt;
        </p>
     &lt;/h:form&gt;
  &lt;/body&gt;

</f:view>
</html>

erro :

HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

OBS: este exemplo e do livro core jsf

alguem da uma ajuda ai ?

#2