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In your demo I’ve checked - you are connecting to a mongo DB - you are aggregating
docker run -it --network comet_demo_fiware_network --entrypoint /bin/bash mongo
mongo --host mongo_sth --port 27018
show dbs
admin 0.000GB
config 0.000GB
local 0.000GB
sth_sensei_service 0.000GB
use sth_sensei_service
It looks the that your subscription is incorrect:
{
"entities": [
{
"type": "PersonDetection",
"isPattern": "false",
"id": "PersonDetection"
}
],
"attributes": [ "ts" ],
"reference": "http://sth:8666/notify"
}
This means you are storing the ts attribute only.
Your request to comet is reading positionX and which has not been aggregated.
http://sth:8666/STH/v1/contextEntities/type/PersonDetection/id/PersonDetection/attributes/positionX
I hope this helps - you will need to alter your subscription - the attributes should be:
"attributes": [ “ts”, “posistionX” “positionY" ]
