On 28 Jul 2004 12:34, markmansour wrote: >Hibernate uses the hibernate.c3p0.max_size property to determine if c3p0 >is begin used. Therefore this property MUST be set and the default >cannot be relied upon. The above is true only for Hibernate 2! In Hibernate 3 you need to define connection.provider_class. See my comment below. Ryan Shillington