[knx] OH 4.1.0 KNX binding fails to send updates to contact-control items

[tkuehne71]

See discussion and more detailed description over here: https://community.openhab.org/t/contact-knx-items-dont-seem-to-be-sent-with-oh-4-1-0/152298

It seems that beginning with 4.1.0 the KNX binding fails to send updates to contact-control items.

That is the case regardless if the items get updated using the postUpdate method or if the updates are supposed to happen via channel-linking through items that get updated via another binding's channel.

[J-N-K]

@holgerfriedrich Can you have a look?

[holgerfriedrich]

I will have a look.

Btw: the link above does not work for me unless I copy the link text.... Could you pls check?

[tkuehne71]

The issue with the link seems to be fixed. Thanks, jlaur.

At least one other person has reported a similar issue with their setup in the thread.

Best,

Tom

[holgerfriedrich]

Lets first look at switch for comparison:
Things of type switch and switch-control send to KNX when sendCommand() is called, and switch-control also on postUpdate(). If I set profile=follow on the item for switch, it responds to postUpdate() as well.
For me this looks like expected behavior.

For things of type contact and contact-control, the framework forbids sendCommand() with values OPEN or CLOSED, only REFRESH is allowed. postUpdate() does not send to the bus for contact.
This is also what I would expect.

=> What seems to be missing, is sending to KNX on postUpdate() for contact-control.

@J-N-K I think I need you help on this. I just do not see the missing piece, can you point me the the place where the binding registers for to data from postUpdate? Or is core at them moment preventing this data to be sent to the binding for contact?

[openhab-bot]

This issue has been mentioned on openHAB Community. There might be relevant details there:

https://community.openhab.org/t/contact-knx-items-dont-seem-to-be-sent-with-oh-4-1-0/152298/16