IoT Core Message routing Rules does not receive topic event, but can received connectivity events.

Question

Hi, 
I am using MQTT test client to subscribe wildcard topic "node/+/#" that same as Rule, can received "node/silabs19a270/config" event.
IoT Core Message routing Rules does not, but can received connectivity events.
Any idea?
Thanks!

rePost-User-8737890 · Accepted Answer

Hi All,
Open IoT Core log, then finally found the error:
{
    "timestamp": "2024-09-09 05:06:37.355",
    "logLevel": "ERROR",
    "traceId": "69143cb2-7818-8f0f-a21b-685a1a9addf1",
    "accountId": "xxxxxxxxxxxxxxxxxx",
    "status": "Failure",
    "eventType": "RuleExecution",
    "clientId": "silabs19a024",
    "topicName": "node/silabs19a270/config",
    "ruleName": "amzpt_iot_reporting",
    "principalId": "94795544f643e3ac4d6ae3ab6c9288106ba9a15f94ff74d517876fe172235fde",
    "reason": "JsonParseError",
    "details": "Error parsing message for rule 'amzpt_iot_reporting'"
}

kranthi putti · Answer

Hey..

Check your IoT Rule SQL query. It should match the topic correctly. For example, to capture messages from "node/silabs19a270/config", your rule SQL should be:

```
SELECT * FROM 'node/+/config'
```
Make sure the rule is enabled and the correct actions (like Lambda, SNS, etc.) are set for routing, ensure IAM permissions allow IoT to route the message correctly.

rePost-User-8737890 · Answer

Hi Kranthi,

The SQL statement is 
    SELECT *, topic() as topic FROM 'node/+/#'
It is work on MCU device 1.5 years ago;
Now, I am trying new MCU of another product.

IoT Core Message routing Rules does not receive topic event, but can received connectivity events.

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