diff --git a/.github/workflows/mysqlDatabaseTests.yml b/.github/workflows/mysqlDatabaseTests.yml
index 3d4e8f18..c8e424e6 100644
--- a/.github/workflows/mysqlDatabaseTests.yml
+++ b/.github/workflows/mysqlDatabaseTests.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Caching dependencies
         uses: actions/setup-node@v3
         with:
-          node-version: '14'
+          node-version: '16'
           cache: 'npm'
           cache-dependency-path: |
             ./npm-shrinkwrap.json
diff --git a/DocService/sources/databaseConnectors/mysqlConnector.js b/DocService/sources/databaseConnectors/mysqlConnector.js
index 6078d944..f295588c 100644
--- a/DocService/sources/databaseConnectors/mysqlConnector.js
+++ b/DocService/sources/databaseConnectors/mysqlConnector.js
@@ -54,7 +54,7 @@ const connectionConfiguration = {
 const additionalOptions = configSql.get('mysqlExtraOptions');
 const configuration = Object.assign({}, connectionConfiguration, additionalOptions);
 
-let pool = null;
+let pool = mysql.createPool(configuration);
 
 function sqlQuery(ctx, sqlCommand, callbackFunction, opt_noModifyRes = false, opt_noLog = false, opt_values = []) {
   return executeQuery(ctx, sqlCommand, opt_values, opt_noModifyRes, opt_noLog).then(
@@ -66,10 +66,6 @@ function sqlQuery(ctx, sqlCommand, callbackFunction, opt_noModifyRes = false, op
 async function executeQuery(ctx, sqlCommand, values = [], noModifyRes = false, noLog = false) {
   let connection = null;
   try {
-    if (!pool) {
-      pool = mysql.createPool(configuration);
-    }
-
     connection = await pool.getConnection();
 
     const result = await connection.query(sqlCommand, values);
@@ -102,8 +98,8 @@ async function executeQuery(ctx, sqlCommand, values = [], noModifyRes = false, n
   }
 }
 
-function closePool() {
-  return pool?.end();
+async function closePool() {
+  return await pool.end();
 }
 
 function addSqlParameter(parameter, accumulatedArray) {