Subject:   HTTP Status 404 error in The requested resource (/Example) is not available.
Date:   2009-08-10 00:10:30
From:   ramesh47
Response to: HTTP Status 404 error in The requested resource (/Example) is not available.

use this,
<servlet-mapping>
<servlet-name>HelloWorldExample</servlet-name>
<url-pattern>/HelloWorldExample</url-pattern>
</servlet-mapping>


this will work....