Hi Antoine,

The scenario of your bug is not very clear.

I tried to reproduce it here https://github.com/raissi/hibernate-test-case-templates/tree/HHH-15544_try_reproduce but I couldn’t. Would you please provide a complete test case or tell where my test is not the same as yours ?

The test is in the class:

https://github.com/raissi/hibernate-test-case-templates/blob/HHH-15544_try_reproduce/orm/hibernate-orm-5/src/test/java/org/hibernate/bugs/ORMUnitTestCase.java