Hibernate throwing ConcurrentModificationException with an embedded ElementCollection

Question

I\'m running Hibernate 4.2.6.Final / JPA2 and trying to have an @ElementCollection List of @Embeddable objects which themselves contain an @ElementCollection List of String.

Answer 1

This an issue that was already reported to Hibernate developers and no fix is scheduled! Sorry. See https://hibernate.atlassian.net/browse/HHH-4313.