Persistence Extensions in Scripts and Rules

der_tobi · February 19, 2021, 3:24pm

Hi all!
Just playing around with the persistence extensions in OH3.
With Numbers it works as it should like

pressure.deltaSince(now.minusHours(1))

…
but with contacts i cannot get

motionSensor.previousState(true).state

to work. It only works when it actually is OPEN, or with previousState().state with the only output: CLOSED
otherwise the error message is:

failed: cannot invoke method public abstract org.openhab.core.types.State org.openhab.core.persistence.HistoricItem.getState() on null

in influxdb it stored everything right with “0” an “1”

many thx

rossko57 · February 19, 2021, 3:41pm

I would imagine this is a variation on

der_tobi · February 19, 2021, 3:47pm

ahh thx!

Are you able to analyze your switches, contacts in the UI?

system · April 2, 2021, 7:48am

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