From 57eab8d73c86f704603ba7dc223eb76a6b614074 Mon Sep 17 00:00:00 2001
From: ShvaykaD <dshvaika@thingsboard.io>
Date: Fri, 7 Oct 2022 12:36:10 +0300
Subject: [PATCH] add validation for empty list of attributes in save
 attributes node

---
 .../rule/engine/telemetry/TbMsgAttributesNode.java            | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgAttributesNode.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgAttributesNode.java
index 44cdc82c36..b810774832 100644
--- a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgAttributesNode.java
+++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgAttributesNode.java
@@ -66,6 +66,10 @@ public class TbMsgAttributesNode implements TbNode {
         }
         String src = msg.getData();
         List<AttributeKvEntry> attributes = new ArrayList<>(JsonConverter.convertToAttributes(new JsonParser().parse(src)));
+        if (attributes.isEmpty()) {
+            ctx.tellSuccess(msg);
+            return;
+        }
         String notifyDeviceStr = msg.getMetaData().getValue("notifyDevice");
         ctx.getTelemetryService().saveAndNotify(
                 ctx.getTenantId(),