- Add an existence-check for the "publications_retriever"-JAR, before trying to make a backup, inside "installAndRun.sh".

- Add a final logging message, right before the app shuts down.

installAndRun.sh

@@ -55,8 +55,10 @@ if [[ justInstall -eq 0 ]]; then
   cd libs || exit 4
   git clone https://github.com/LSmyrnaios/PublicationsRetriever.git # We assume there is no previously source-code here, if so, it will be overwritten.
 
-  # Keep a backup of the existing JAR file.
-  mv ./publications_retriever-1.0-SNAPSHOT.jar ./publications_retriever-1.0-SNAPSHOT_BACKUP.jar
+  # Keep a backup of the previous JAR file, if it exists.
+  if [ -f ./publications_retriever-1.0-SNAPSHOT.jar ]; then
+    mv ./publications_retriever-1.0-SNAPSHOT.jar ./publications_retriever-1.0-SNAPSHOT_BACKUP.jar
+  fi
 
   cd PublicationsRetriever && sudo apt install -y maven && mvn clean install
 

src/main/java/eu/openaire/urls_worker/UrlsWorkerApplication.java

@@ -96,6 +96,7 @@ public class UrlsWorkerApplication {
         }
 
         FullTextsController.deleteDirectory(-1);
+        logger.info("Exiting..");
     }
 
     @Bean
@@ -110,6 +111,7 @@ public class UrlsWorkerApplication {
         return source;
     }
 
+
     @Bean
     public CommandLineRunner setServerBaseUrl(Environment environment, ServletWebServerApplicationContext webServerAppCtxt)
     {