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Is it expected for GeoEvent Server to lose tracked object states after geofence synchronization?

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07-17-2025 02:55 AM
AbdelrahmanGhazaly
Occasional Contributor

Hello,
I'm using ArcGIS GeoEvent Server to track moving assets and detect ENTER/EXIT events relative to dynamic geofences.

After I perform a geofence synchronization from a feature service I’ve observed that the internal state of tracked objects is reset. As a result, GeoEvent stops recognizing which objects were previously inside a geofence. This causes the next movement to incorrectly trigger an ENTER again, and EXIT events are not triggered unless a new ENTER occurs post-sync.

Questions:

  1. Is this behavior expected — that GeoEvent clears its internal spatial relationship state during geofence synchronization?

  2. Is there any way to retain or restore this state after syncing?

  3. Has anyone implemented a workaround using an external cache to reinject object states after a sync, perhaps by simulating ENTER events?

Any best practices or suggested workflows would be greatly appreciated.

Thanks in advance,

Abdelrahman Ghazaly.

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