hibernate/hibernate-orm · error · UnsupportedOperationException

DefaultFetchProfile has implicit fetches

Error message

DefaultFetchProfile has implicit fetches

What it means

Error "DefaultFetchProfile has implicit fetches" thrown in hibernate/hibernate-orm.

Source

Thrown at hibernate-core/src/main/java/org/hibernate/engine/profile/DefaultFetchProfile.java:69

		}
		return super.getFetchByRole( role );
	}

	@Override
	public boolean hasSubselectLoadableCollectionsEnabled(EntityPersister persister) {
		final AttributeMappingsList attributeMappings = persister.getAttributeMappings();
		for ( int i = 0; i < attributeMappings.size(); i++ ) {
			AttributeMapping attributeMapping = attributeMappings.get( i );
			if ( attributeMapping.getMappedFetchOptions().getStyle() == SUBSELECT ) {
				return true;
			}
		}
		return false;
	}

	@Override
	public Map<String, Fetch> getFetches() {
		throw new UnsupportedOperationException( "DefaultFetchProfile has implicit fetches" );
	}
}

View on GitHub (pinned to fad1729dce)

Solutions

1. Do not add fetch overrides to the default fetch profile; create a named @FetchProfile instead
2. Remove implicit fetches from the default profile configuration

When it happens

Trigger: Thrown at hibernate-core/src/main/java/org/hibernate/engine/profile/DefaultFetchProfile.java:69 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/40ac74df312bf842. Report an issue: GitHub.