Quick configuration to make sure your OTA installation works fine.
Sample XML dd file : pls see in view source if not seeing xml tags
IMP : Make sure you set correct mime type for .dd file
tomcat web.xml entry will look like this. Its really important in OTA based delivery and application download notification. Same holds true for other contents like mp3, amr, photos, videos as DRM based content. Its all digitally right managed content ;)