From ce1312fdf1db3c136c56efdcd5232ad69287ef8e Mon Sep 17 00:00:00 2001
From: guillermo <guillermo@verdnatura.es>
Date: Mon, 28 Nov 2022 09:06:16 +0100
Subject: [PATCH] refs #4550 Fixed bug: not ended transaction

---
 print-server.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/print-server.js b/print-server.js
index 0bfff6b..261e13d 100644
--- a/print-server.js
+++ b/print-server.js
@@ -86,7 +86,10 @@ class PrintServer {
         try {
             await conn.beginTransaction();
             [[printJob]] = await conn.query(selectQuery, ['LabelCollection', this.conf.printers]);
-            if (!printJob) return;
+            if (!printJob) {
+                conn.rollback();
+                return;
+            }
 
             jobId = printJob.id;
             this.method = printJob.method;