hibernate/hibernate-orm · error · HibernateException

Illegal attempt to build cache entry for non-cached entity

Error message

Illegal attempt to build cache entry for non-cached entity

What it means

Error "Illegal attempt to build cache entry for non-cached entity" thrown in hibernate/hibernate-orm.

Source

Thrown at hibernate-core/src/main/java/org/hibernate/persister/entity/AbstractEntityPersister.java:5342

	}

	private static class NoopCacheEntryHelper implements CacheEntryHelper {
		public static final NoopCacheEntryHelper INSTANCE = new NoopCacheEntryHelper();

		@Override
		@Nonnull
		public CacheEntryStructure getCacheEntryStructure() {
			return UnstructuredCacheEntry.INSTANCE;
		}

		@Override
		@Nonnull
		public CacheEntry buildCacheEntry(
				@Nonnull Object entity,
				@Nonnull Object[] state,
				@Nullable Object version,
				@Nonnull SharedSessionContractImplementor session) {
			throw new HibernateException( "Illegal attempt to build cache entry for non-cached entity" );
		}
	}


	// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	// org.hibernate.metamodel.mapping.EntityMappingType

	@Override
	public void forEachAttributeMapping(Consumer<? super AttributeMapping> action) {
		this.attributeMappings.forEach( action );
	}

	@Override
	public void forEachAttributeMapping(IndexedConsumer<? super AttributeMapping> consumer) {
		attributeMappings.indexedForEach( consumer );
	}

	// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

View on GitHub (pinned to fad1729dce)

Solutions

1. Only build cache entries for entities whose persister has cache access; check cache configuration (@Cacheable / region) for the entity.

When it happens

Trigger: Thrown when code attempts to build a second-level cache entry for an entity whose persister is not cached.

Common situations: See trigger scenarios.

AI-assisted analysis of hibernate/hibernate-orm@fad1729dce (2026-08-22). Data as JSON: /api/errors/7113a3f4f9a03dc9. Report an issue: GitHub.