Server error 500 getting sensor data

[davidherbert2]

http://uoweb3.ncl.ac.uk/api/v1.1/sensors/json?theme=Vehicles&sensor_type=Car%20Count currently returns:

<h1>Server Error (500)</h1>

http://uoweb3.ncl.ac.uk/api/v1.1/sensors/json?theme=Air%20Quality&sensor_type=NO2 returns the expected JSON. The former was working correctly on Friday 12th March. Not sure what has changed, but would appreciate if you could take a look at this a.s.a.p as it is holding me up somewhat.

[geoanorak]

David, Car Count is variable so http://uoweb3.ncl.ac.uk/api/v1.1/sensors/json/?theme=Vehicles&Variable=Car%20Count Works fine

[davidherbert2]

Thanks for this Phil - the parameter "Variable" isn't documented as existing however, and under "sensor_type" we have "Subset the sensors by the variables​ that they record". At least, I am looking at http://uoweb3.ncl.ac.uk/api_docs/doc/sensors-json/. So a bit confusing I think?

David.

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From: Phil James @.> Sent: Monday, March 15, 2021 12:50 PM To: urbanobservatory/uo-api-v1.1 @.> Cc: David Herbert @.>; Author @.> Subject: Re: [urbanobservatory/uo-api-v1.1] Server error 500 getting sensor data (#9)

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David, Car Count is variable so http://uoweb3.ncl.ac.uk/api/v1.1/sensors/json/?theme=Vehicles&Variable=Car%20Count Works fine

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[nharris172]

you call should work David. Not sure why it's now returning 500. I'll have a look

[geoanorak]

Not sure of the semantic difference between sensor type and variable. I've always used variable.