<center><font size=2>Container Form-Based Login</font><form method="POST" action='<%= response.encodeURL("j_security_check") %>' >  <table border="0" cellspacing="5">    <tr>      <th align="right">Username:</th>      <td align="left"><input type="text" name="j_username" value="tomcat"></td>    </tr>    <tr>      <th align="right">Password:</th>      <td align="left"><input type="password" name="j_password" value="sqe"></td>    </tr>    <tr>               <td align="right"><input type="image" border="0" src="<%=request.getContextPath()%>/images/button-submit2.gif" name="submit"></td>    </tr>  </table></center></form>