Hi, I had a problem with tomee: https://stackoverflow.com/questions/45964924/tomee-ora-01017-server-tries-to-authenticate-with-os-user/45965073
http://tomee.apache.org/datasource-config.html is wrong. The userNameis not a valid declaration of the username. The valid declaration is user. (using TomEE 7.0.2) Mark
