hibernate/hibernate-orm · error · IllegalArgumentException

Could not interpret '{}' as a LockMode

Error message

Could not interpret '{}' as a LockMode

What it means

Error "Could not interpret '{}' as a LockMode" thrown in hibernate/hibernate-orm.

Source

Thrown at hibernate-core/src/main/java/org/hibernate/jpa/internal/util/LockModeTypeHelper.java:43

	public static LockMode getLockMode(LockModeType lockModeType) {
		return LockModeConverter.convertToLockMode( lockModeType );
	}

	public static LockMode interpretLockMode(Object value) {
		if ( value == null ) {
			return LockMode.NONE;
		}
		else if ( value instanceof LockMode lockMode ) {
			return lockMode;
		}
		else if ( value instanceof LockModeType lockModeType ) {
			return getLockMode( lockModeType );
		}
		else if ( value instanceof String string ) {
			return LockMode.fromExternalForm( string );
		}
		else {
			throw new IllegalArgumentException( "Could not interpret '" + value.getClass().getName() + "' as a LockMode" );
		}
	}

}

View on GitHub (pinned to fad1729dce)

Solutions

1. Use a valid LockModeType name (e.g. PESSIMISTIC_READ, OPTIMISTIC); fix the string being interpreted.

When it happens

Trigger: Thrown at hibernate-core/src/main/java/org/hibernate/jpa/internal/util/LockModeTypeHelper.java:43 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/0116408d8ba142b0. Report an issue: GitHub.