- Update dependencies.

- Code polishing.

build.gradle

@@ -1,6 +1,6 @@
 plugins {
-    id 'org.springframework.boot' version '2.7.13'
+    id 'org.springframework.boot' version '2.7.14'
-    id 'io.spring.dependency-management' version '1.1.0'
+    id 'io.spring.dependency-management' version '1.1.2'
     id 'java'
 }
 
@@ -117,7 +117,7 @@ dependencies {
 
 
     // https://mvnrepository.com/artifact/io.micrometer/micrometer-registry-prometheus
-    runtimeOnly 'io.micrometer:micrometer-registry-prometheus:1.11.1'
+    runtimeOnly 'io.micrometer:micrometer-registry-prometheus:1.11.2'
 
     testImplementation 'org.springframework.security:spring-security-test'
     testImplementation "org.springframework.boot:spring-boot-starter-test"

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.2.1-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

installAndRun.sh

@@ -26,7 +26,7 @@ if [[ justInstall -eq 1 && shouldRunInDocker -eq 1 ]]; then
   justInstall=0
 fi
 
-gradleVersion="8.2"
+gradleVersion="8.2.1"
 
 if [[ justInstall -eq 0 ]]; then
 

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

@@ -39,16 +39,15 @@ public class StatsServiceImpl implements StatsService {
                 logger.info("The number of " + message + " in the database \"" + ImpalaConnector.databaseName + "\" is " + numOfPayloads);
                 return ResponseEntity.ok(Integer.toString(numOfPayloads));
             } else
-                return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("The number of " + message + " could not be retrieved from the database \"" + ImpalaConnector.databaseName + "\" using the getNumberQuery: " + getNumberQuery);
+                return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("The number of " + message + " could not be retrieved (it was null) from the database \"" + ImpalaConnector.databaseName + "\" using the getNumberQuery: " + getNumberQuery);
         } catch (EmptyResultDataAccessException erdae) {
-            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("The number of " + message + " could not be retrieved from the database \"" + ImpalaConnector.databaseName + "\" using the getNumberQuery: " + getNumberQuery);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("The number of " + message + " could not be retrieved (empty result) from the database \"" + ImpalaConnector.databaseName + "\" using the getNumberQuery: " + getNumberQuery);
         } catch (Exception e) {
             String exMsg = e.getMessage();
             if ( (exMsg != null) && (exMsg.contains("Could not resolve table reference") || exMsg.contains("Failed to open HDFS file")) ) {
                 sleep1min();
                 return getNumberOfPayloads(getNumberQuery, message, (++retryNum));
             }
-
             String errorMsg = "Problem when executing \"getNumberQuery\": " + getNumberQuery;
             logger.error(errorMsg, e);
             return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMsg);
@@ -87,7 +86,6 @@ public class StatsServiceImpl implements StatsService {
                 sleep1min();
                 return getNumberOfRecordsInspectedByServiceThroughCrawling(++retryNum);
             }
-
             String errorMsg = "Problem when executing \"getInspectedRecordsNumberQuery\": " + getInspectedRecordsNumberQuery;
             logger.error(errorMsg, e);
             return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMsg);