[Layout] Méthode soulevant toujours une exception

public Layout getLayoutForMeta(Long metaId) throws LayoutNotFoundException {
	final LayoutMetaBean layoutMeta;
	try {
		layoutMeta = layoutMetaDao.getByMetaId(metaId);
		if (layoutMeta != null) {
			return dao.getById(layoutMeta.getIdLayout());
		}
	} catch (DataSourceException e) {
		throw new LayoutNotFoundException(String.format(MessageHelper.getCoreMessage("BO.LAYOUT.EXCEPTION.NOT_FOUND_META_ID"), metaId), e);
	}
	throw new LayoutNotFoundException(String.format(MessageHelper.getCoreMessage("BO.LAYOUT.EXCEPTION.NOT_FOUND_META_ID"), metaId));
}