Article - CS270968

MQTT property data change event does not fire subscription and throws "Execution error in service script [XXXXX Event.DataChange:Property.Location_json]" in ThingWorx

Modified: 18-Jun-2024   


Applies To

  • ThingWorx Platform 6.5 to 9.3

Description

  • Updating a property value through a Data Change Subscription gives an error in ApplicationLog.log:
[message: Execution error in service script [XXXXX Event.DataChange:Property.Location_json] :
Wrapped java.lang.RuntimeException: Entity [XXXX] does not exist Cause: Entity [Vehicle1] does not exist]
  • Logging property value changes on MQTT Thing into a Value Stream fails
  • MQTT property DataChange event subscription doesn’t work
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