Enterprise Server includes complete product documentation. Search the documentation to see if your problem is addressed. Documentation is available at http://docs.sun.com/coll/1343.9. See Enterprise Server Documentation Set for the books in the documentation set and a description of their contents. Also see the Administration Console online help for detailed information about performing administrative tasks using the graphical interface.
The following books will be especially helpful for troubleshooting:
Sun GlassFish Enterprise Server v3 Release Notes, which provides the latest information regarding known issues and possible workarounds.
Sun GlassFish Enterprise Server v3 Error Message Reference, which lists error messages you might encounter when using Enterprise Server.
Use the product documentation to learn more about Enterprise Server v3. The more you know about the product the easier it might be to figure out why something isn't working.