Jens Fischer ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-13735 ( https://hibernate.atlassian.net/browse/HHH-13735?atlOrigin=eyJpIjoiNGViNG... ) Re: 'A collection with cascade="all-delete-orphan" was no longer referenced by the owning entity instance' when persisting, flushing, detaching and merging an Entity in the same Session (using Bytecode enhancement) ( https://hibernate.atlassian.net/browse/HHH-13735?atlOrigin=eyJpIjoiNGViNG... ) Same problem here. Does anybody know a workaround? ( https://hibernate.atlassian.net/browse/HHH-13735#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-13735#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100207- sha1:7afd384 )