[mqtt] logs on start «No config description found for URI 'thing-type:mqtt:string_channel'»

[dilyanpalauzov]

I have an MQTT-Broker thing defined in Main UI, and MQTT-Things defined both in Main UI and in .things files. When openHAB 3.3 boots it prints:

2022-11-24 10:51:04.859 [INFO ] [el.core.internal.ModelRepositoryImpl] - Loading model 'system_started.rules'
2022-11-24 10:51:15.104 [INFO ] [e.automation.internal.RuleEngineImpl] - Rule engine started.
2022-11-24 10:51:15.559 [INFO ] [org.openhab.ui.internal.UIService   ] - Started UI on port 8080
2022-11-24 10:51:20.603 [INFO ] [rulesupport.loader.ScriptFileWatcher] - Loading script '/etc/openhab/automation/js/pompi.js'           2022-11-24 10:51:24.888 [INFO ] [.transport.mqtt.MqttBrokerConnection] - Starting MQTT broker connection to '127.0.0.1' with clientid openhab_client               
2022-11-24 10:51:28.001 [WARN ] [ation.ConfigDescriptionValidatorImpl] - No config description found for URI 'thing-type:mqtt:string_channel'
2022-11-24 10:51:28.006 [WARN ] [ation.ConfigDescriptionValidatorImpl] - Skipping config description validation because no config description found for URI 'thing-type:mqtt:string_channel'
2022-11-24 10:51:28.076 [WARN ] [ation.ConfigDescriptionValidatorImpl] - No config description found for URI 'thing-type:mqtt:dimmer_channel'
2022-11-24 10:51:28.080 [WARN ] [ation.ConfigDescriptionValidatorImpl] - Skipping config description validation because no config description found for URI 'thing-type:mqtt:dimmer_channel'
2022-11-24 10:51:28.092 [WARN ] [ation.ConfigDescriptionValidatorImpl] - No config description found for URI 'thing-type:mqtt:string_channel' 
2022-11-24 10:51:28.080 [WARN ] [ation.ConfigDescriptionValidatorImpl] - Skipping config description validation because no config description found for URI 'thing-type:mqtt:dimmer_channel' 
2022-11-24 10:51:28.092 [WARN ] [ation.ConfigDescriptionValidatorImpl] - No config description found for URI 'thing-type:mqtt:string_channel' 
2022-11-24 10:51:28.096 [WARN ] [ation.ConfigDescriptionValidatorImpl] - Skipping config description validation because no config description found for URI 'thing-type:mqtt:string_channel'
2022-11-24 10:51:28.110 [WARN ] [ation.ConfigDescriptionValidatorImpl] - No config description found for URI 'thing-type:mqtt:string_channel'
2022-11-24 10:51:28.114 [WARN ] [ation.ConfigDescriptionValidatorImpl] - Skipping config description validation because no config description found for URI 'thing-type:mqtt:string_channel'
2022-11-24 10:51:28.146 [WARN ] [ation.ConfigDescriptionValidatorImpl] - No config description found for URI 'thing-type:mqtt:dimmer_channel'
2022-11-24 10:51:28.150 [WARN ] [ation.ConfigDescriptionValidatorImpl] - Skipping config description validation because no config description found for URI 'thing-type:mqtt:dimmer_channel'

I have no thing or item called literally thing-type:mqtt:dimmer_channel.

What shall I do to avoid the above warnings to appear in the log, apart from disabling logging completely?

[VanDeStouwe]

I have exactly the same issue but also the string_channel is missing:
2022-12-12 12:38:03.913 [WARN ] [ation.ConfigDescriptionValidatorImpl] - No config description found for URI 'thing-type:mqtt:string_channel' 2022-12-12 12:38:03.915 [WARN ] [ation.ConfigDescriptionValidatorImpl] - Skipping config description validation because no config description found for URI 'thing-type:mqtt:string_channel'

[martingrassl]

I get this issue since update to 3.4

[crazyelectron-io]

+1, but not for all MQTT Things (although they follow the exact same format).

[J-N-K]

Correct solution: make sure that the config description is in the registry. The binding should take care of that.

[crazyelectron-io]

Thanks for your quick reply @J-N-K but I'm not sure I understand what you mean. Which registry are you referring to? Metadata?

[J-N-K]

Fixed in 4.0 with openhab/openhab-core#3330. The issue is that the ThingManager tried to initialize the thing before the binding is fully loaded. This will no longer happen in OH4.