"TransactionRequiredException: no transaction is in progress" during flush of application managed entity manager in JBoss EAP

Solution Verified - Updated -

Issue

  • An application managed entity manager is created.
  • A JTA transaction is initiated (e.g. during a CMT or BMT context)

  • During EntityManager.flush() an exception is raised

    ... javax.persistence.TransactionRequiredException: no transaction is in progress
  • No exception occurred in Hibernate 5.1 / EAP 7.1.

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP)
    • 7.2
    • 7.3
  • Hibernate
    • 5.3

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