how to upload a web application to free server

I am using net-beans 7 and I wrote a server said app on java with db. Now I want to upload it to free global server. I tried amazon but need a credit card. Tried to work with Google app engine but have problems w开发者_JAVA技巧ith net-beans and Google configurations. Can you give me a link for simple way to load my app to free server and how it will work with the db that I wrote that works with derby.

thanks a lot!!

You could use Amazon Web Services Free Usage Tier.

Another option is jelastic.com (I didn't test it yet). They offer free use for small applications:

Starts free: That's right! If you want to deploy a demo for your customers, deploy a small application for you and your friends, or experiment and deploy an app for internal QA, it won't cost you a penny!