In the Help forum the OpenXava community will help you with any problem you have. Moreover, this forum has thousand of questions already answered. On the other hand, if you want to discuss something about OpenXava visit our Open Discussion forum.
Use Noobeek to report bugs o suggest new features. If you have no a Noobeek account create one, it's free and fast.
If the community forums are not enough for your needs, you can buy XavaPro Corporate> that includes professional support for OpenXava.