Sorry, I'm not coming up with any other ideas to solve this one. I think it'll be an Adam/Mike one.
Just check that the conditions are set to "require all" and not "require any".
You could probably work-around it somewhat by introducing a delay to the alert (say a delay of 2 or 3 poll cycles). If you are only getting the occasional null returned, this should "solve" it, at the expense of a 10-15 min delay to the alert when it's actually a problem.
Michael
It seems to work however I am still getting one oddball
Conditions | sensor_value less -25 ("") sensor_value ne null ("") |
Metrics | sensor_value = |
Thanks Michael. I’ll give it a shot!
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