Ruslan Masjuk ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *updated* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiZTBmZjRiZTcx... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-17036?atlOrigin=eyJpIjoiZTBmZj... ) HHH-17036 ( https://hibernate.atlassian.net/browse/HHH-17036?atlOrigin=eyJpIjoiZTBmZj... ) Issue HHH-16701 is still reproducible ( https://hibernate.atlassian.net/browse/HHH-17036?atlOrigin=eyJpIjoiZTBmZj... ) Change By: Ruslan Masjuk ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) [https://github.com/homiodev/homio-app/blob/5b9cd33017a8ad93f715600c97aec0...] The above line of code throws “persister” is null. Please, take into account that method beforeDelete(…) executes by: {code:java}EventListenerRegistry registry = sessionFactory.getServiceRegistry().getService(EventListenerRegistry.class); registry.getEventListenerGroup(EventType.PRE_DELETE).appendListener(event -> { Object entity = event.getEntity(); if (entity instanceof BaseEntity baseEntity) { if (baseEntity.isDisableDelete()) { throw new IllegalStateException("Unable to remove entity"); } baseEntity.beforeDelete(entityContext); } return false; });{code} Also, calling TransactionSynchronizationManager.isActualTransactionActive() return true As a workaround, I have to fully initialize lazy collections by calling [https://github.com/homiodev/homio-app/blob/5b9cd33017a8ad93f715600c97aec0...] before calls: em.remove(entity) Sorry that I have not time to create full showcase ( https://hibernate.atlassian.net/browse/HHH-17036#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-17036#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#100233- sha1:06f5c37 )