Tag: Camera Connection Cycle

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ONVIF camera streams may repeatedly cycle stream connection

Issue

Starting with exacqVision Server 9.3.21, some ONVIF cameras may repeatedly disconnect and reconnect, which causes gaps in video recording. The following log message repeating pattern may also be observed:

27/02/2020 00:00:27     onvifnvcPI     Verbose     172.28.140.17: Context 017 HQ Office R&D. Media open but data timed out. Close and retry

27/02/2020 00:00:27     onvifnvcPI     Verbose     172.28.140.17: 017 HQ Office R&D Context 0 Connection status changed to 0

27/02/2020 00:00:27     onvifnvcPI     Warning     172.28.140.17: Context 017 HQ Office R&D. Stream closing

27/02/2020 00:00:27     onvifnvcPI     Verbose     172.28.140.17: Context 017 HQ Office R&D. Ok to begin playback

27/02/2020 00:00:27     onvifnvcPI     Verbose     Opening 017 HQ Office R&D. RTSP Uri path: rtsp://172.28.140.17:554/main

27/02/2020 00:00:37     onvifnvcPI     Verbose     172.28.140.17: Context 017 HQ Office R&D. Media open but data timed out. Close and retry

27/02/2020 00:00:37     onvifnvcPI     Warning     172.28.140.17: Context 017 HQ Office R&D. Stream closing

This issue was introduced when the RTSP streaming implementation was changed in the ONVIF plugin.

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Workaround

Downgrade to latest 9.2.x version or upgrade to exacqVision Server 20.03.6 (and dev build 20.03.110)

Resolution

Fixed with exacqVision Server 20.03.6 (and dev build 20.03.110)

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Version Affected

Starting with exacqVision Server 9.3.21

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Version Fixed

exacqVision Server 20.03.6 (and dev build 20.03.110).