diff --git a/build.gradle b/build.gradle
index 52075eb..bfd0f9f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,7 +45,7 @@ dependencies {
     // https://mvnrepository.com/artifact/org.apache.commons/commons-lang3
     implementation group: 'org.apache.commons', name: 'commons-lang3', version: '3.12.0'
 
-    implementation 'io.minio:minio:8.3.5'
+    implementation 'io.minio:minio:8.3.6'
 
     // https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp
     implementation group: 'com.squareup.okhttp3', name: 'okhttp', version: '4.9.3'
@@ -69,12 +69,6 @@ tasks.withType(JavaExec) {
     jvmArgs = ['-Xms512m', '-Xmx8g']
 }
 
-
-configurations {
-    // Eliminates slf4j-log4j12
-    all*.exclude group: 'org.slf4j', module: 'slf4j-log4j12'
-}
-
 test {
     useJUnitPlatform()
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 2e6e589..41dfb87 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/installAndRun.sh b/installAndRun.sh
index 28201e1..18e4437 100755
--- a/installAndRun.sh
+++ b/installAndRun.sh
@@ -17,7 +17,7 @@ if [[ justInstall -eq 1 && shouldRunInDocker -eq 1 ]]; then
   justInstall=0
 fi
 
-gradleVersion="7.3.3"
+gradleVersion="7.4"
 
 if [[ justInstall -eq 0 ]]; then
 
@@ -47,7 +47,7 @@ if [[ justInstall -eq 0 ]]; then
     sudo docker build -t "${dockerImage}" .
     echo -e "\nPushing docker image.. (the account password is required)..\n"
     (sudo docker login -u "${username}" && sudo docker push "${dockerImage}") || true
-    (sudo mkdir -p "$HOME"/tmp/config && sudo cp ./src/main/resources/application.properties "$HOME"/tmp/config) || true
+    (sudo mkdir -p "$HOME"/tmp/config && sudo cp ./src/main/resources/application.properties "$HOME"/tmp/config) || true  # This also replaces an existing "application.properties".
     sudo docker run -d --mount type=bind,source="$HOME"/tmp/config,target=/mnt/config -p 1880:1880 "${dockerImage}" && echo "The docker container started running."
     # Run in "detached mode" (in the background).
   fi
diff --git a/src/main/java/eu/openaire/urls_controller/controllers/UrlController.java b/src/main/java/eu/openaire/urls_controller/controllers/UrlController.java
index 049ddd5..fce5c32 100644
--- a/src/main/java/eu/openaire/urls_controller/controllers/UrlController.java
+++ b/src/main/java/eu/openaire/urls_controller/controllers/UrlController.java
@@ -110,9 +110,12 @@ public class UrlController {
 
         try {
             jdbcTemplate.execute(createCurrentAssignmentsQuery);
-        } catch (Exception sqle) {
+        } catch (Exception e) {
+            String errorMsg = ImpalaConnector.handleQueryException("createCurrentAssignmentsQuery", createCurrentAssignmentsQuery, e);
+            String tmpErrMsg = dropCurrentAssignmentTable();    // The table may be partially created, e.g. in case of an "out of memory" error in the database-server, during the creation, resulting in an empty table (yes it has happened).
+            if ( tmpErrMsg != null )
+                errorMsg += "\n" + tmpErrMsg;
             ImpalaConnector.databaseLock.unlock();
-            String errorMsg = ImpalaConnector.handleQueryException("createCurrentAssignmentsQuery", createCurrentAssignmentsQuery, sqle);
             return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMsg);
         }
 
@@ -283,8 +286,8 @@ public class UrlController {
                             payload.getLocation(), payload.getProvenance()};
 
                     jdbcTemplate.update(insertIntoPayloadBaseQuery, args, payloadArgTypes);
-                } catch (Exception sqle) {
-                    logger.error("Problem when executing the \"insertIntoPayloadBaseQuery\": ", sqle);
+                } catch (Exception e) {
+                    logger.error("Problem when executing the \"insertIntoPayloadBaseQuery\": " + e.getMessage());
                     failedCount.incrementAndGet();
                 }
             }
@@ -310,8 +313,8 @@ public class UrlController {
                             urlReport.getStatus().toString(), String.valueOf(error.getType()), error.getMessage()};
 
                     jdbcTemplate.update(insertIntoAttemptBaseQuery, args, attemptArgTypes);
-                } catch (Exception sqle) {
-                    logger.error("Problem when executing the \"insertIntoAttemptBaseQuery\": " + sqle.getMessage());
+                } catch (Exception e) {
+                    logger.error("Problem when executing the \"insertIntoAttemptBaseQuery\": " + e.getMessage());
                     failedCount.incrementAndGet();
                 }
             }
@@ -333,7 +336,7 @@ public class UrlController {
         }
 
         int failedQueries = failedCount.get();
-        String failedQueriesMsg = failedQueries + " out of " + urlReports.size() + " failed to be processed!";
+        String failedQueriesMsg = failedQueries + " out of " + (urlReports.size() *2) + " failed to be processed!";
         logger.debug("Finished inserting the payloads and the attempts into the \"payload\" and \"attempt\" tables" + ((failedQueries > 0) ? (", although " + failedQueriesMsg) : ".")
                 + " Going to merge the parquet files for those tables.");
 
@@ -365,6 +368,17 @@ public class UrlController {
     }
 
 
+    private String dropCurrentAssignmentTable() {
+        String dropCurrentAssignmentsQuery = "DROP TABLE IF EXISTS " + databaseName + ".current_assignment PURGE";
+        try {
+            jdbcTemplate.execute(dropCurrentAssignmentsQuery);
+            return null;
+        } catch (Exception e) {
+            return ImpalaConnector.handleQueryException("dropCurrentAssignmentsQuery", dropCurrentAssignmentsQuery, e);
+        }
+    }
+
+
     // The "batchExecute" does not work in this Impala-Database, so this is a "giant-query" solution.
     // Note: this causes an "Out of memory"-ERROR in the current version of the Impala JDBC driver. If a later version is provided, then this code should be tested.
     private static PreparedStatement constructLargeInsertQuery(Connection con, String baseInsertQuery, int dataSize, int numParamsPerRow) throws RuntimeException {
@@ -393,15 +407,4 @@ public class UrlController {
         return preparedInsertStatement;
     }
 
-
-    private String dropCurrentAssignmentTable() {
-        String dropCurrentAssignmentsQuery = "DROP TABLE " + databaseName + ".current_assignment PURGE";
-        try {
-            jdbcTemplate.execute(dropCurrentAssignmentsQuery);
-            return null;
-        } catch (Exception e) {
-            return ImpalaConnector.handleQueryException("dropCurrentAssignmentsQuery", dropCurrentAssignmentsQuery, e);
-        }
-    }
-
 }