RegistryManager UpdateTwinAsync 不更新孿生報告的屬性

Question

我無法讓 UpdateTwinAsync 做任何事情。 它不會給出錯誤。 它返回之前報告的 state。

twin.Properties.Reported["data"] = "test";
Twin updatedTwin = await _registryManager.UpdateTwinAsync(twin.DeviceId, twin, twin.ETag);

我已經嘗試了所有我能想到的方法。

問題的控制台日志：

Got Telemetry for IP Address=xxxxxxx for device=josh-test-device
{"$metadata":{"$lastUpdated":"2020-03-24T16:24:16.8339408Z"},"$version":1}
Setting twin.Properties.Reported to telemetry data for IP Address=xxxxxxx for device=josh-test-device
{"$metadata":{"$lastUpdated":"2020-03-24T16:24:16.8339408Z"},"$version":1,"Brand":"AXIS","ProdFullName":"AXIS P1427-LE Network Camera","ProdNbr":"P1427-LE","ProdShortName":"AXIS P1427-LE","ProdType":"Network Camera","ProdVariant":"","WebURL":"http://www.axis.com/"}
TwinUpdate complete for IP Address=xxxxxxx for device=josh-test-device
{"$metadata":{"$lastUpdated":"2020-03-24T16:24:16.8339408Z"},"$version":1}

Answer 1

無法從面向服務的端點更新設備孿生報告的屬性。 在此處查看更多詳細信息。