[mqtt] Command only works with %.0f not with %s using outgoing value format

[radokristof]

Previously working rules (doesn’t matter if it’s DSL or JSR) behave strangely on the MQTT binding (I have only found it in Dimmer type).
Sending a command to the Dimmer item (for example 70 (%)) will only send 7. Controlling the value from sitemap is correct.
The outgoing value transform is active in this case, I have this (int) value sent as “%s”. However it works as before from sitemap, so I don’t know what changed and what is causing this…

This looks weird… (I have sent a 70 command):

2020-01-13 18:12:31.303 [ome.event.ItemCommandEvent] - Item 'Living_Room_Floor_Lamp_Brightness' received command 70

2020-01-13 18:12:31.305 [.event.RuleStatusInfoEvent] - a0923642-287f-4a3d-be1d-0e26c7e9eedf updated: IDLE

2020-01-13 18:12:31.470 [nt.ItemStatePredictedEvent] - Living_Room_Floor_Lamp_Brightness predicted to become 70

2020-01-13 18:12:31.518 [vent.ItemStateChangedEvent] - Living_Room_Floor_Lamp_Brightness changed from 85 to 70

2020-01-13 18:12:31.520 [vent.ItemStateChangedEvent] - Living_Room_Floor_Lamp_Brightness changed from 70 to 7

So it sends the 70 value but somehow it changes to 7…

Sending the same command from console, the same result…

Sniffing the output from MQTT, this is sent at 70 value:

"brightness": 7E+1
So openHAB recognizes the value in this normalized format but the device not (that’s why its bouncing the state at 70 and then 7).

[J-N-K]

@jochen314 can you take care of that? If no specific format is given the result should be the same as before (i.e. 70, not 7E+1)