Communication Error when updating Temperatur

1

Hello,
I have an Installation with Homematic Thermostates and developed a page which was working fine with OH3.4
Now I updated to 4.0 and get an “Communication Error” in the Frontend when updating the Temperature by clicking on the slider.

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It works also fine in “RunMode” but not in the normal Mode.

Unfortunately I got no faliure description in the log,

Any hints to solve the problem?

Best regards Matthias

2

I think I’ve seen some issues reported that the websocket or SSE feed doesn’t always work correctly in HTTP. Have you tried the HTTPS port to bring up MainUI?

3

I tried it and it works, Thank you

4

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