AgreementsService.java

public Agreement getById(Integer id) throws BackendException {
        try {
            AgreementDto agreementDto = this.agreementClientService.get(id);
            return mapper.map(agreementDto, Agreement.class);
        } catch (ResourceAccessException e) {
            throw new CatalogClientUnavailableException();
        } catch (CatalogException e) {
            throw new ResourceNotFoundException(id, "Agreement");
        }
    }