hibernate/hibernate-orm · error · UnmanagedObjectException

Given entity is not associated with the persistence context

Error message

Given entity is not associated with the persistence context

What it means

Error "Given entity is not associated with the persistence context" thrown in hibernate/hibernate-orm.

Source

Thrown at hibernate-core/src/main/java/org/hibernate/internal/SessionImpl.java:1837

		if ( lazyInitializer != null ) {
			checkOwnsProxy( lazyInitializer );
			object = lazyInitializer.getImplementation();
		}

		return getEntityEntry( object ).getPersister().getEntityName();
	}

	private void checkOwnsProxy(@Nonnull LazyInitializer lazyInitializer) {
		if ( lazyInitializer.getSession() != this ) {
			throw new DetachedObjectException( "Given proxy is not associated with the persistence context" );
		}
	}

	@Nonnull
	private EntityEntry getEntityEntry(@Nonnull Object object) {
		final var entry = persistenceContext.getEntry( object );
		if ( entry == null ) {
			throw new UnmanagedObjectException( "Given entity is not associated with the persistence context" );
		}
		return entry;
	}

	@Override
	public String guessEntityName(@Nonnull Object object) {
		checkOpenOrWaitingForAutoClose();
		return getEntityNameResolver().resolveEntityName( object );
	}

	@Override
	public void cancelQuery() {
		checkOpen();
		getJdbcCoordinator().cancelLastQuery();
	}

	@Override
	public String toString() {

View on GitHub (pinned to fad1729dce)

Solutions

1. Re-attach the entity to the current persistence context using merge() before calling the operation.
2. Ensure the entity was loaded or persisted by this Session and has not been detached or evicted.

When it happens

Trigger: Thrown at hibernate-core/src/main/java/org/hibernate/internal/SessionImpl.java:1837 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of hibernate/hibernate-orm@fad1729dce (2026-08-22). Data as JSON: /api/errors/f96142482182c8bd. Report an issue: GitHub.