Cannot connect to Mosquito Broker anymore after 2025.6.1

[BigDogJonx]

I believe after upgrading to 2025.6.1 from 2.3.4, rtlamr2mqtt refuses to connect to Mosquito.

I just get the following:

[2025-06-02 01:18:20,821] INFO:Starting rtlamr2mqtt 2025.6.1
[2025-06-02 01:18:20,821] INFO:Config loaded successfully
[2025-06-02 01:18:20,821] INFO:Connecting to MQTT broker at 127.0.0.1:1883
[2025-06-02 01:18:20,823] CRITICAL:Failed to connect to MQTT broker: [Errno 111] Connection refused

I made sure the config file is the same as before, only thing I noticed is now it added the MQTT broker address and port. Prior config didnt have that, as well as ha_status_topic: hass/status value. But I cannot remove these, it keeps adding it back.

Nothing changed on the Mosquito side of the house on my Home Assistant on which its running.

[allangood]

I don´t think the mqtt broker address is correct.
It is trying to connect to localhost/127.0.0.1

Try to add the address of your broker.

[allangood]

Try to change the IP for the machine address, also, double check username and password

[BigDogJonx]

Changing the RPi5s address going to break its access from outside, but Ive rebooted it entirely just to make sure there wasnt any sockets hung up.

I dont think we have any u/p setup for this, the original config for this was as follows based on what I extracted out of the backup file trying to see if anything changed on the config side.

      "general": {
        "sleep_for": 300,
        "verbosity": "debug",
        "listen_only": false,
        "tickle_rtl_tcp": false,
        "device_id": "single"
      },
      "mqtt": {
        "ha_autodiscovery": true,
        "ha_autodiscovery_topic": "homeassistant",
        "base_topic": "rtlamr",
        "tls_enabled": false
      },
      "custom_parameters": {
        "rtltcp": "-s 2048000",
        "rtlamr": "-unique=true"
      },
      "meters": [
        {
          "id": 123456789,
          "protocol": "scm+",
          "name": "gas_meter",
          "format": "#######",
          "unit_of_measurement": "ft³",
          "icon": "mdi:gas_canister",
          "device_class": "gas"

I had to change the device_id: "single" to device_id: "0" as the word single wasnt accepted anymore from 2.3.4.

The only change from above now has the following under mqtt section.

host: 127.0.0.1
port: 1883
ha_status_topic: hass/status

[allangood]

No, I didn't say to change the RPi address, but the address in the config file.
Instead of using 127.0.0.1, try to use the RPi ip address.

mqtt:
  host: rpi ip address here
  port: 1883

[BigDogJonx]

Alright I think I found the issue. Seems like it doesnt like the host: 127.0.0.1
I noticed the mosquitto broker on the Add Ons page had the hostname showing of "core-mosquitto", so I changed the line to host: core-mosquitto and now it connected.

[BigDogJonx]

Now I just need to figure out why Mosquitto has issues now on denying it, now it's showing it's not authorized.

2025-06-02 02:18:14: Client rtlamr2mqtt disconnected, not authorised.
2025-06-02 02:18:15: New connection from 172.30.33.5:47115 on port 1883.
error: received null username or password for unpwd check

Guess I will try to inject a username and password field on RTL side.

[BigDogJonx]

Nope that didnt work, still get the same not authorized even after putting in a username password.

[allangood]

You must add the user and password fields in the rtlamr2mqtt config.

[allangood]

Check here all configuration options for this new version:
https://github.com/allangood/rtlamr2mqtt/blob/main/rtlamr2mqtt-addon/app/rtlamr2mqtt.yaml

[allangood]

This is the mosquitto configuration I am using to develop/test this add-on:

per_listener_settings false
listener 1883
max_connections 100

persistence true
autosave_on_changes true
autosave_interval 120

[BigDogJonx]

Excuse my ignorance on this here, but where is this on? On the Mosquitto Broker config?

My Mosquitto Broker config is basically the default of:

logins: []
require_certificate: false
certfile: fullchain.pem
keyfile: privkey.pem
customize:
  active: false
  folder: mosquitto

Which has ports 1883 as the default listener on there. Along with 1884 for Websocket, then 8883 and 8884 for SSL based.

[allangood]

Yes, that is my mosquitto config.
I don't use the mosquitto addon