O q significa este erro do hibernate
WARNING: Could not obtain connection metadata
java.sql.SQLException: No suitable driver
+
isto
14/11/2007 22:50:03 org.hibernate.cfg.Configuration secondPassCompile
INFO: processing foreign key constraints
org.hibernate.MappingException: Could not determine type for: java.util.Set, for columns: [org.hibernate.mapping.Column(venda)]
at org.hibernate.mapping.SimpleValue.getType(SimpleValue.java:265)
at org.hibernate.mapping.SimpleValue.isValid(SimpleValue.java:252)