Instable Openhab

Setup, Configuration and Use Beginners
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Hi,
I have a problem with my openhab installation: it is unstable. Last night it suddenly stopped all timers. There a no rules executed, no calenders updated etc.
If I restart openhab I have the problem that I often get “channel not found for datapoint” errors for my homematic devices. So I normally have to do 5-7 restarts until everything is working. Also some of the devices don’t send any values and I cannot send any command to them (there is no error message).
Besides this behaviour there are not errors displayed in openhab log. So how can I debug the system? It is very uncomfortable to start the system 2-3 times a week which costs me a lot of time because of the channel not found.
Version: openHAB 2.3.0 Release Build
Homegear: 0.7.30-1900
HM-CFG-USB stick for HM devices

Thanks for any help on how to debug!

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You can start by looking in the log files and if that doesn’t help increase log levels to DEBUG or TRACE mode: See:

You can change and monitor log levels via the console:


This should give you a start.

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Thanks @hilbrand, I just set the org.openhab level to DEBUG. Maybe I find something. Today the whole system stoped at one point (before I enabled DEBUG) and nothing has been added to the log.