'hibernate.dialect' must be set when no Connection available error

Question

I am getting the following error when using Hibernate:

\'hibernate.dialect\' must be set when no Connection available

And I am using a datasource fo

Answer 1

In the Hibernate configuration dialog has a tab "options" it is possible to select some. In this case I was using Oracle Enterprise Pack for Eclipse that already had configured connector, but was still getting the error. Select an option on the list was enough to solve.