I have been preparing the JPA certification a couple of months. For improving the concepts understanding, I have coded a lot of sample codes with simple SE projects where I had a persistence.xml with transaction-type = RESOURCE_LOCAL.
But now I have spent many days trying to build the simplest EJB project with container managed JTA with a Stateless bean (and later Statefull), also I have followed several tutorials for this, but I am quite blocked.
I would like to share what I have done, and maybe somebody can give me a hint, a solution for my block... I really appreciate any kind of help, or helping resource.
I am using Eclipse, Wildfly, eclipse-link, mariaDb...
When WildFly is starting I getting the followed error: