hibernate/hibernate-orm · error · AttributeExtractionException

Attribute (field) {} is not accessible

Error message

Attribute (field) {} is not accessible

What it means

Error "Attribute (field) {} is not accessible" thrown in hibernate/hibernate-orm.

Source

Thrown at hibernate-core/src/main/java/org/hibernate/jpa/internal/util/PersistenceUtilHelper.java:253

		private final String name;
		private final Field field;

		public FieldAttributeAccess(Field field) {
			this.name = field.getName();
			try {
				ReflectHelper.ensureAccessibility( field );
			}
			catch (Exception e) {
				this.field = null;
				return;
			}
			this.field = field;
		}

		@Override
		public Object extractValue(Object owner) {
			if ( field == null ) {
				throw new AttributeExtractionException( "Attribute (field) " + name + " is not accessible" );
			}

			try {
				return field.get( owner );
			}
			catch ( IllegalAccessException e ) {
				throw new AttributeExtractionException(
						"Unable to access attribute (field): " + field.getDeclaringClass().getName() + "#" + name,
						e
				);
			}
		}
	}

	public static class MethodAttributeAccess implements AttributeAccess {
		private final String name;
		private final Method method;

View on GitHub (pinned to fad1729dce)

Solutions

1. Make the field accessible (non-private or add getter), or configure access via property instead of field.
2. Adjust the module/security settings if running under a SecurityManager or JPMS.

When it happens

Trigger: Thrown at hibernate-core/src/main/java/org/hibernate/jpa/internal/util/PersistenceUtilHelper.java:253 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/df06de0027bd1c9a. Report an issue: GitHub.