Merge pull request #1121 from eclipse-tractusx/feature/985-notificati…

…on-contractagreements

feature(chore):985 fixed nullpointer

tx-backend/src/main/java/org/eclipse/tractusx/traceability/contracts/infrastructure/repository/ContractRepositoryImpl.java

@@ -47,6 +47,7 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 import static org.apache.commons.collections4.ListUtils.emptyIfNull;
@@ -107,7 +108,7 @@ public void saveAll(List<ContractAgreementEntity> contractAgreements) {
     }
 
     private List<Contract> fetchEdcContractAgreements(List<ContractAgreementEntity> contractAgreementEntities) throws ContractAgreementException {
-        List<String> contractAgreementIds = contractAgreementEntities.stream().map(ContractAgreementEntity::getContractAgreementId).toList();
+        List<String> contractAgreementIds = contractAgreementEntities.stream().filter(Objects::nonNull).map(ContractAgreementEntity::getContractAgreementId).toList();
         log.info("Trying to fetch contractAgreementIds from EDC: " + contractAgreementIds);
 
         List<EdcContractAgreementsResponse> contractAgreements = edcContractAgreementService.getContractAgreements(contractAgreementIds);