I am using the the HiveMQ extension to ingest data to InfluxDB. I have verified the Sparkplug B DDATA messages using Chariot MQTT Client and everything looks fine. And they can be serialized from the Sparkplug B proto so every thing looks fine. However in the HiveMQ log I get the following exceptio…

Hi @hewa Thanks for sharing the details! Since the HiveMQ extension is throwing a ClassCastException when parsing the payload, it seems likely that the protobuf schema used by the sender may not align with what the extension expects. Could you clarify which version of the sparkplug_b.proto schema …

Hi Daria Thanks for your fast response. Yes, I agree that is the most likely cause. I have setup Chariot MQTT client and it parses the same MQTT messages (received from HiveMQ) as SparkplugB: [image] Also tries without using Alias. The version is SparkplugB 3.0.0 Here is the class used for s…

I did some further investigation: if (payload.isPresent() && topicStructure.isValid(sparkplugVersion)) { //it is a sparkplug publish final ByteBuffer byteBuffer = payload.get(); try { final SparkplugBProto.Payload spPayload = SparkplugBProto.Paylo…

I managed to enable TRACE level for HIVEMQ: 2025-04-07 12:25:14 2025-04-07 10:25:14,094 TRACE - Client ECS specified a keepAlive value of 15s. Using keepAlive of 15s. The maximum timeout before disconnecting is 22.5s 2025-04-07 12:25:14 2025-04-07 10:25:14,125 TRACE - Received ClientSessionSharedSu…

The Sparkplug is valid. The first DDATA message get correctly send to InfluxDB: 2025-04-08 12:33:52 2025-04-08 10:33:52,067 TRACE - Incoming publish from spBv1.0/MyPlant/DDATA/ECS/Core 2025-04-08 12:33:52 2025-04-08 10:33:52,067 TRACE - Add Metric Mapping (Alias=3, MetricName=sine1/value) 2025-04-0…

Hi @hewa , If you are unable to attach the .proto file directly, please feel free to share a link to it instead. Alternatively, you may upload the file to a file-sharing service and provide the link here. Thank you, and looking forward to your update. Best Dasha from The HiveMQ Team

You will find the proto file above in the thread, but not a s a linked file. Sharing a link is not possible for me. Anyway, if you go through the correspondence I have provided you will find that this has nothing to do with the proto. From the call stack it is evident that the sparkplug proto gets p…

Hey @hewa The admin fixed your ability to insert links. Please feel free to insert again. Here is what they wrote: I’ve updated the site settings to allow link posting. Since they’re a level 0 (new) user, some restrictions still apply. They can try wrapping the link in backticks like this: ` http…

Hi Daria. I can not upload proto files. They are not allowed. Tried to rename to jpg, but that did not work either. Here is the proto once again: // * Copyright (c) 2015, 2018 Cirrus Link Solutions and others // * // * This program and the accompanying materials are made available under the // * te…

HiveMQ Influxdb Sparkplug extension

HiveMQ Community Edition

hewa April 7, 2025, 7:34am 4

Something happend with the links. Hopes it makes sence. Adding results from Chariot:

Topic		Replies	Views
Sparkplug extension does not save Groov EPIC measurements Sparkplug	12	1508	February 3, 2023
Problems with the Sparkplug InfluxDB extension HiveMQ Extensions	9	615	November 23, 2023
Sparkplug InfluxDB Extension for HiveMQ problem HiveMQ Community Edition	2	528	February 21, 2023
HiveMQ community edition server metrics HiveMQ Community Edition	3	1387	September 26, 2019
Sparkplug-influxdb-extension HiveMQ Cloud	1	346	March 28, 2023

HiveMQ Influxdb Sparkplug extension

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