Check the VPS Offers forum, there are some good ones there. Any managed provider should be able to provide a VPS with the above software.
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Tomcat can be easily installed within the cPanel interface so I don't see it being a problem with the majority of managed providers. Remember to ask them first and confirm this.
I agree, cPanel does have a great integration with Tomcat as far as those options go. It's still necessary to have a basic understanding how the Tomcat works, and I think it's still only applicable up to Tomcat 5.5, but it's much better than the other solutions I've seen.
Corey Northcutt | Northcutt Competitive inbound marketing with a hosting industry competency. Social | Content | Optimization | Outreach