add validation for empty list of attributes in save attributes node

4 years ago · 57eab8d73c
1 changed files with 4 additions and 0 deletions
--- 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(),