No entities are generated from HSQLDB_18 using Hibernate Code Generation. Cause can be Code generation can't recognize database structure (primary keys and columns).
Steps:
1. Create dynamic web project (jboss-eap rt)
2. Create hibernate console and configuration (hsql database)
3. Try to generate entities via "Hibernate Code Generation Configuration -> Reverse engineer from JDBC Connection"
4. See Console

Full screencast is here:
http://www.screencast.com/t/p9uP59dNt