Cumulus Support

Hi,

I have just upgraded from CumulusMX 3.14.1 b3160 to CumulusMX 3.25.0 b3241. My MQTT messages were working on 3.14.1 b3160. I am receiving the following error message on 3.25.0 b3241

2023-05-09 13:55:02.851 MQTT: Using template - mqtt/DataUpdateTemplate.txt
2023-05-09 13:55:02.853 MQTT: Error - Not connected to MQTT server - message not sent

Any suggestions on how to troubleshot this?

Thank You,
Lance

Here is some additional information from the log files

2023-05-09 15:57:05.070 MQTT: Using template - mqtt/DataUpdateTemplate.txt
2023-05-09 15:57:05.071 MQTT: publishing to topic 'CumulusMXKitchen/DataUpdate', message '{"date":"09/05/2023","time":"15:57:05","battery":"4.76","transmitterbat":"ok","outdoortemp":"68.1","indoortemp":"76.0","outdoorhum":"29","indoorhum":"39","dewpoint":"34.6","pressure":"29.98","wlatest":"2","wspeed":"3","wgust":"6","windTM":"6","wgustTM":"11","SystemUpTime":"0 days 2 hours","ProgramUpTime":"0 days 2 hours","CPUTemp":"120.5"}'
2023-05-09 15:57:05.071 MQTT: Error - Not connected to MQTT server - message not sent

I also wanted to mention I was previously using a 32 bit Raspberry PI OS on a Raspberry PI 4 B. I started with a clean install of Raspberry PI 64 Bit OS (2023-05-03-raspios-bullseye-arm64.img.xz). Since cumulusmx is now 64 bit capable. I have Mono version 6.8.0.105 (Debian 6.8.0.105+dfsg-3.3~deb11u1 Sat Feb 18 21:38:24 UTC 2023) installed.

I was able to resolve the error by changing Internet Settings > MQTT > Server Name: from xxx.xxx.xxx.xxx to homeassistant.local.

Not really sure why that fixed it!

Me neither, but that was quite an upgrade jump. The MQTT library CMX uses went from version 3.0.16 to 4.1.4 between those builds.