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For the data source frevvoDS 

1) verify Verify that the "url" parameter is pointing to the correct server. If  and the database server are collocated "localhost" may be fine.

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2) Verify that the user and password required to connect to the frevvo database are correct.
3) Make sure that the user configured in the data sources has permissions to read and write to the frevvo databasesdatabase.

Non Standard Databases

If you are trying a different database type and do not see an example in frevvo.xml for  your database, you can create a new data source entry. Hibernate supports the following dialects however  has only been certified to run with a subset of these databases. For additional dialects see Hibernate documentation. 

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