I am running a Raspberry Pi 4 with OpenHAB 3.1 for quite a while now. Have lots of Shelly devices connected to it which are mostly used via Homekit and Alexa gateway. However, for 10 days now, after approx 72 hours, the gateways for Homekit and Alexa are not found anymore. It turns out that I also cannot reach the Openhab page via web browser anymore either.
As soon as I have the device rebooted via Terminal (Mac), everything works as expected again.
Unfortunately I am kind of a newbie on the raspberry, so not sure how I could read log files to understand and troubleshoot the issue.