Event listener flush infinite loop
Description
Using an event listener (eg. PreDeleteEventListener) that calls flush itself, leads to infinite loop where flush re-triggers the same event.
Use case: batch processing inside event listener, where entity manager’s flush and clear is called after each batch was processed.
Environment
None
Activity
Show:
Steve Ebersole
December 2, 2020, 2:43 PM
Triggering flushes from a flush is not supported. In fact you need to be careful about even loading things into the Session during flush - it is also not technically supported
Alex CD
December 2, 2020, 3:30 PM
Shouldn’t this be handled better instead of an infinite loop?
Such as a mechanism that detects a flush is occurring and throw an error instead.
Steve Ebersole
December 2, 2020, 3:50 PM
To be honest, I have never seen this result in an infinite loop. And you did not attach a reproducer, so…
Usually the outcome is a CCME
Rejected
Assignee
Unassigned
Reporter
Alex CD
Fix versions
None
Labels
None
backPortable
None
Suitable for new contributors
None
Requires Release Note
None
Pull Request
None
backportDecision
None
Components
Affects versions
Priority
Configure