[Fiware-creatifi-coaching] [CreatiFI Benelx Hub] Kurento: Detecting Connection failed in Kurento

[Andrea Maestrini]

Dear FIWARE coach,
we forward you an update from the applicant related to the issue, we are
not able to solve.
Please let us know if you need direct contact with the submitter.
Thanks.

********************************

I want to add some update to this:

I see that the ICE candidates get to a FAILED state. Can we know why this
happens? Can we know why it happens only some times?

I am attaching a log if that is helpful:

{"level":"debug","message":"starting webcam pipeline:
1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:44.801Z"}
{"level":"debug","message":"webcam pipeline created:
1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:44.804Z"}
{"level":"debug","message":"RecorderEndpoint created:
1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:44.807Z"}
{"level":"debug","message":"WebRtcEndpoint created:
1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:44.809Z"}
{"level":"debug","message":"Endpoints connected created:
1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:44.816Z"}
{"level":"debug","message":"Offer processed:
1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:44.823Z"}
{"level":"debug","message":"webcam
OnIceComponentStateChanged{\"componentId\":1,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/b3331f9
0-86f0-4c14-8c83-af4a907ad7dc_kurento.WebRtcEndpoint\",\"state\":\"GATHERING\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540784\",\"type\":\"OnIceComponen
tStateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:44.898Z"}
{"level":"debug","message":"webcam
OnIceComponentStateChanged{\"componentId\":2,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/b3331f9
0-86f0-4c14-8c83-af4a907ad7dc_kurento.WebRtcEndpoint\",\"state\":\"GATHERING\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540784\",\"type\":\"OnIceComponen
tStateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:44.898Z"}
{"level":"debug","message":"webcam
OnIceComponentStateChanged{\"componentId\":1,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/b3331f9
0-86f0-4c14-8c83-af4a907ad7dc_kurento.WebRtcEndpoint\",\"state\":\"CONNECTING\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540784\",\"type\":\"OnIceCompone
ntStateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:44.899Z"}
{"level":"debug","message":"webcam
OnIceComponentStateChanged{\"componentId\":2,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/b3331f9
0-86f0-4c14-8c83-af4a907ad7dc_kurento.WebRtcEndpoint\",\"state\":\"CONNECTING\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540784\",\"type\":\"OnIceCompone
ntStateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:44.899Z"}
{"level":"debug","message":"host received:
http://test.uxpro.be","timestamp":"2016-06-10T06:39:44.900Z
<http://test.uxpro.be%22%2C%22timestamp%22:%222016-06-10t06:39:44.900Z/>"}
{"status":"ok","hasErrors":false,"warning":[],"error":[],"hasWarnings":false,"payload":[{"hasQuota":1,"hasMediaQuota":0}],"level":"debug","message":"","timesta
mp":"2016-06-10T06:39:45.024Z"} {"level":"debug","message":"account has
quota:
e90b7e40-ca8b-11e5-a800-d59fdbfce805","timestamp":"2016-06-10T06:39:45.024Z"}
{"level":"debug","message":"starting screen pipeline:
1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:45.024Z"}
{"level":"debug","message":"screen
OnIceComponentStateChanged{\"componentId\":1,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/2bd878d
3-dd12-4789-98e6-1437ce845f9a_kurento.WebRtcEndpoint\",\"state\":\"GATHERING\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540785\",\"type\":\"OnIceComponen
tStateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:45.110Z"}
{"level":"debug","message":"screen
OnIceComponentStateChanged{\"componentId\":2,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/2bd878d
3-dd12-4789-98e6-1437ce845f9a_kurento.WebRtcEndpoint\",\"state\":\"GATHERING\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540785\",\"type\":\"OnIceComponen
tStateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:45.110Z"}
{"level":"debug","message":"screen
OnIceComponentStateChanged{\"componentId\":1,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/2bd878d
3-dd12-4789-98e6-1437ce845f9a_kurento.WebRtcEndpoint\",\"state\":\"CONNECTING\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540785\",\"type\":\"OnIceCompone
ntStateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:45.110Z"}
{"level":"debug","message":"screen
OnIceComponentStateChanged{\"componentId\":2,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/2bd878d
3-dd12-4789-98e6-1437ce845f9a_kurento.WebRtcEndpoint\",\"state\":\"CONNECTING\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540785\",\"type\":\"OnIceCompone
ntStateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:45.111Z"}
{"level":"debug","message":"screen
OnIceComponentStateChanged{\"componentId\":1,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/2bd878d
3-dd12-4789-98e6-1437ce845f9a_kurento.WebRtcEndpoint\",\"state\":\"FAILED\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540789\",\"type\":\"OnIceComponentSt
ateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:49.028Z"}
{"level":"debug","message":"screen
OnIceComponentStateChanged{\"componentId\":2,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/2bd878d
3-dd12-4789-98e6-1437ce845f9a_kurento.WebRtcEndpoint\",\"state\":\"FAILED\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540789\",\"type\":\"OnIceComponentSt
ateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:49.029Z"}
{"level":"debug","message":"webcam
OnIceComponentStateChanged{\"componentId\":1,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/b3331f9
0-86f0-4c14-8c83-af4a907ad7dc_kurento.WebRtcEndpoint\",\"state\":\"FAILED\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540792\",\"type\":\"OnIceComponentSt
ateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:52.083Z"}
{"level":"debug","message":"webcam
OnIceComponentStateChanged{\"componentId\":2,\"source\":\"c7b0b144-37d0-4ed5-b64d-cb7d4290374c_kurento.MediaPipeline/b3331f9
0-86f0-4c14-8c83-af4a907ad7dc_kurento.WebRtcEndpoint\",\"state\":\"FAILED\",\"streamId\":1,\"tags\":[],\"timestamp\":\"1465540792\",\"type\":\"OnIceComponentSt
ateChanged\"},1959ec40-7e64-4b6f-8823-9c2c00c3e3b0","timestamp":"2016-06-10T06:39:52.084Z"}
{"level":"debug","message":"connection
closed","timestamp":"2016-06-10T06:40:13.747Z"}
{"level":"debug","message":"connection
closed","timestamp":"2016-06-10T06:40:16.733Z"}

********************************


On Thu, Jun 9, 2016 at 4:58 PM, Andrea Maestrini <amaestrini at create-net.org>
wrote:

> Dear FIWARE coach,
> we forward you a support request received from a CreatiFI applicant we are
> not able to solve.
> Please let us know if you need direct contact with the submitter.
> Thanks.
>
> *********************************
>
> We are using kurento to stream and save videos of users webcams and
> screens. We have this working but it is not always working. Sometimes we
> get a failure but we do not have indication in the client that the
> connection failed. Sometimes we have the screen record but the webcam
> fails, sometimes the reverse, sometimes both fail.
>
> We have a nodejs app in front of our kurento server managing the
> connection. We listen to OnIceComponentStateChanged and MediaStateChanged
> of the WebRtcEndpoint. Sometimes I see in my logs that the
> OnIceComponentStateChanged goes GATHERING, CONNECTING and then nothing past
> this and does not get to READY.
>
> Question is - how can we detect that the connection cannot happen and
> properly notify in the client?
>
> In my client I use the kurento utils and with
> WebRtcPeer.WebRtcPeerSendonly I pass an error function but I do not see
> this being called.
>
> thanks
> Paul
>
> *********************************
>
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