Writable common config changes require multiple API calls to take effect #879
Description
🐞 Bug Report
Affected Services [REQUIRED]
The issue is located in: EdgeX servicesIs this a regression?
Yes, the previous version in which this bug was not present was: ....Description and Minimal Reproduction [REQUIRED]
Minimal Reproduction:
- Deploy core services and device-virtual
- Use Core Keeper API to update a common writable configuration key. For example:
curl -X PUT http://localhost:59890/api/v3/kvs/key/edgex/v4/core-common-config-bootstrapper/all-services/Writable/Telemetry/Interval \
-H "Content-Type: application/json" \
-d '{"value": "20s"}'
- Observe the service logs
level=WARN ts=2025-07-02T09:36:30.330645+08:00 app=device-virtual source=config.go:931 msg="ignoring changed writable key InsecureSecrets overwritten in App or Device common writable"
- Re-run the same API call two or more times
level=WARN ts=2025-07-02T09:36:30.330645+08:00 app=device-virtual source=config.go:931 msg="ignoring changed writable key InsecureSecrets overwritten in App or Device common writable"
level=WARN ts=2025-07-02T09:36:35.029100043+08:00 app=device-virtual source=config.go:940 msg="ignoring changed writable key LogLevel overwritten in private writable"
- Only after multiple calls does the device-virtual service finally accept the change and log:
level=INFO ts=2025-07-02T09:36:38.360262503+08:00 app=device-virtual source=config.go:990 msg="Writable configuration has been updated from the Configuration Provider"
level=INFO ts=2025-07-02T09:36:38.360302837+08:00 app=device-virtual source=config.go:1013 msg="Telemetry interval has been updated. Processing new value..."
level=INFO ts=2025-07-02T09:36:38.360326128+08:00 app=device-virtual source=manager.go:47 msg="Metrics Manager report interval changed to 20s"
🌍 Your Environment
EdgeX Version [REQUIRED]: main
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