Add renaming of the workerReport-file, to indicate failure, when the processing failed because no workerInfo was found for the worker-id existing in the report. This way, it can be retried by the scheduler later.

src/main/java/eu/openaire/urls_controller/services/UrlsServiceImpl.java

@@ -288,6 +288,9 @@ public class UrlsServiceImpl implements UrlsService {
         FileUtils.UploadFullTextsResponse uploadFullTextsResponse = fileUtils.getAndUploadFullTexts(urlReports, sizeOfUrlReports, curReportAssignmentsCounter, curWorkerId);
         if ( uploadFullTextsResponse == null ) {
             // Nothing to post to the Worker, since we do not have the worker's info.
+            // Rename the worker-report-file to indicate its "failure", so that the scheduler can pick it up and retry processing it.
+            String workerReportBaseName = this.workerReportsDirPath + File.separator + curWorkerId + File.separator + curWorkerId + "_assignments_" + curReportAssignmentsCounter + "_report";
+            getRenamedWorkerReport(workerReportBaseName, new File(workerReportBaseName + ".json"), "No info was found for worker: " + curWorkerId); // It may return null.
             return false;
         } else if ( uploadFullTextsResponse == FileUtils.UploadFullTextsResponse.databaseError ) {
             postReportResultToWorker(curWorkerId, curReportAssignmentsCounter, "Problem with the Impala-database!");