hibernate/hibernate-orm · error · UnsupportedMappingException

AttributeContainer [${className}] does not generic embeddabl

Error message

AttributeContainer [${className}] does not generic embeddables

What it means

Error "AttributeContainer [${className}] does not generic embeddables" thrown in hibernate/hibernate-orm.

Source

Thrown at hibernate-core/src/main/java/org/hibernate/metamodel/model/domain/internal/AttributeContainer.java:69

			throw new UnsupportedMappingException(
					"AttributeContainer [" + getClass().getName() + "] does not support identifiers"
			);
		}

		default void applyVersionAttribute(SingularPersistentAttribute<J, ?> versionAttribute) {
			throw new UnsupportedMappingException(
					"AttributeContainer [" + getClass().getName() + "] does not support versions"
			);
		}

		default void applyNaturalIdAttribute(PersistentAttribute<J, ?> versionAttribute) {
			throw new UnsupportedMappingException(
					"AttributeContainer [" + getClass().getName() + "] does not support natural ids"
			);
		}

		default void addConcreteGenericAttribute(PersistentAttribute<J, ?> idAttribute) {
			throw new UnsupportedMappingException(
					"AttributeContainer [" + getClass().getName() + "] does not generic embeddables"
			);
		}

		/**
		 * Called when configuration of the type is complete
		 */
		void finishUp();
	}
}

View on GitHub (pinned to fad1729dce)

Solutions

1. Avoid generic embeddable handling on this container; use a concrete embeddable type.

When it happens

Trigger: Thrown when a generic embeddable mapping is requested from an attribute container that does not support embeddables.

Common situations: See trigger scenarios.

AI-assisted analysis of hibernate/hibernate-orm@fad1729dce (2026-08-22). Data as JSON: /api/errors/2e3962598ac4f5aa. Report an issue: GitHub.