Hibernate 4 Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set

Question

I am using Hibernate latest version 4.3.5.Final.

My hibernate.cfg.xml file content:

Answer 1

In my case I ran the configuration routine twice. I had automatic configuration (ie config from xml in resources) in one method, then I implemented a configuration by setting properties in another method but I forgot to bypass the former. As soon as I did, the error gone.