I try to create simple java App on Heroku. I following step by step from http://samuelsharaf.wordpress.com/2011/11/06/create-a-simple-java-web-app-using-maven-and-upload-to-hero
You need to remove your ProcFile and add again
git rm ProcFile –f
Again add the ProcFile to project
After that do the normal git procedure,
git add .
git commit –m “add procfile”
git push heroku master
You will see,
Procfile declares types -> web
Instead of
Procfile declares types -> (none)