I also get this error, while one user claims to have difficulties connecting to a room:
org.jitsi.jicofo.discovery.DiscoveryUtil.discoverParticipantFeatures().139 Failed to discover features for ...@conference.video.beic.it/978a1102 assuming default feature set.
The logs in the vicinity:
Jicofo 2020-03-27 12:30:15.008 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 04f68567 - dropping: ssrc=1266562494
Jicofo 2020-03-27 12:30:15.008 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 04f68567 - dropping: ssrc=2592935787
Jicofo 2020-03-27 12:30:15.013 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:30:18.113 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by fa079d40 - dropping: ssrc=3246243237
Jicofo 2020-03-27 12:30:18.114 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by fa079d40 - dropping: ssrc=90677151
Jicofo 2020-03-27 12:30:18.119 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:30:32.214 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() No jingle session yet for b5f2434e
Jicofo 2020-03-27 12:31:27.502 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 53b3e835 - dropping: ssrc=4224360231
Jicofo 2020-03-27 12:31:27.981 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 986fa860 - dropping: ssrc=414569265
Jicofo 2020-03-27 12:31:27.989 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:31:28.747 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 414846ae - dropping: ssrc=1633431637
Jicofo 2020-03-27 12:31:28.753 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:32:18.330 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 414846ae - dropping: ssrc=3516121995
Jicofo 2020-03-27 12:32:18.335 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:32:18.569 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 53b3e835 - dropping: ssrc=2375628787
Jicofo 2020-03-27 12:32:18.574 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:32:33.201 AVVERTENZA: [114] org.jitsi.jicofo.discovery.DiscoveryUtil.discoverParticipantFeatures().139 Failed to discover features for ...@conference.video.beic.it/3dd49a31 assuming default feature set.
Jicofo 2020-03-27 12:32:47.044 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 414846ae - dropping: ssrc=535442281
Jicofo 2020-03-27 12:32:47.050 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:32:47.061 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 53b3e835 - dropping: ssrc=4130342930
Jicofo 2020-03-27 12:35:24.885 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 04f68567 - dropping: ssrc=1314607542
Jicofo 2020-03-27 12:35:24.885 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 04f68567 - dropping: ssrc=2396924628
Jicofo 2020-03-27 12:35:24.890 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:38:18.341 AVVERTENZA: [114] org.jitsi.jicofo.discovery.DiscoveryUtil.discoverParticipantFeatures().139 Failed to discover features for ...@conference.video.beic.it/a69ae83c assuming default feature set.
Jicofo 2020-03-27 12:38:40.537 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Remove source: no jingle session for ...@conference.video.beic.it/fa079d40
Jicofo 2020-03-27 12:39:21.094 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 53b3e835 - dropping: ssrc=1239736202
Jicofo 2020-03-27 12:39:21.096 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:39:35.595 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 53b3e835 - dropping: ssrc=3095797778
Jicofo 2020-03-27 12:39:35.597 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:39:42.686 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 04f68567 - dropping: ssrc=3366620897
Jicofo 2020-03-27 12:39:42.690 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:39:51.654 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 04f68567 - dropping: ssrc=3370051152
Jicofo 2020-03-27 12:39:51.659 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:42:03.062 AVVERTENZA: [31] org.jitsi.jicofo.AbstractParticipant.log() Canceling ParticipantChannelAllocator[BridgeSession[id=ffb96e_6788e4, bridge=Bridge[jid=jitsi-videobridge.video.beic.it, relayId=null, region=null]]@1516041117, Participant[endpointId=a7c8df84]]@1604197872
Jicofo 2020-03-27 12:42:03.685 AVVERTENZA: [112] org.jitsi.jicofo.discovery.DiscoveryUtil.discoverParticipantFeatures().139 Failed to discover features for ...@conference.video.beic.it/a7c8df84 assuming default feature set.
Jicofo 2020-03-27 12:42:15.282 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Participant not found for ...@conference.video.beic.it/570f3843 terminated already or never started ?
Jicofo 2020-03-27 12:43:07.348 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 04f68567 - dropping: ssrc=3255461497
Jicofo 2020-03-27 12:43:07.353 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:45:27.590 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() No jingle session yet for e590199e
Jicofo 2020-03-27 12:45:46.428 AVVERTENZA: [98] org.jitsi.jicofo.discovery.DiscoveryUtil.discoverParticipantFeatures().139 Failed to discover features for ...@conference.video.beic.it/30a821e4 assuming default feature set.
Jicofo 2020-03-27 12:46:12.129 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 04f68567 - dropping: ssrc=731976665
Jicofo 2020-03-27 12:46:12.134 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
Jicofo 2020-03-27 12:49:02.095 AVVERTENZA: [112] org.jitsi.jicofo.discovery.DiscoveryUtil.discoverParticipantFeatures().139 Failed to discover features for ...@conference.video.beic.it/978a1102 assuming default feature set.
Jicofo 2020-03-27 12:49:22.663 GRAVE: [31] org.jitsi.jicofo.SSRCValidator.log() Too many sources signalled by 04f68567 - dropping: ssrc=2773986166
Jicofo 2020-03-27 12:49:22.669 AVVERTENZA: [31] org.jitsi.jicofo.JitsiMeetConferenceImpl.log() Not sending source-add, notification would be empty
The most common lines in jvb.log around these minutes are:
# tail -n 50000 jvb.log | grep -v INFO | grep -Eo "org.jitsi.+" | sort | uniq -c | sort -nr | head -n 100
7731 org.jitsi.videobridge.EndpointMessageTransport.log() No available transport channel, can't send a message
3969 org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with 6b802ff4 not ready yet.
3200 org.jitsi.impl.neomedia.transform.RtxTransformer.log() Cannot find SSRC for RTX, retransmitting plain. SSRC=2567677439
2937 org.jitsi.impl.neomedia.rtp.TransportCCEngine.log() No source SSRC, can't send RTCP.
1958 org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with 42d9fe85 not ready yet.
1193 org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with 097a64be not ready yet.
1069 org.jitsi.impl.neomedia.RTPConnectorOutputStream.log() Failed to send a packet to target /x.y.z.w:54317:java.io.IOException: No active socket.
599 org.jitsi.videobridge.WebRtcDataStream.sendString(WebRtcDataStream.java:175)
599 org.jitsi.videobridge.Endpoint.sendMessage(Endpoint.java:205)
599 org.jitsi.videobridge.EndpointMessageTransport.sendMessage(EndpointMessageTransport.java:405)
599 org.jitsi.videobridge.EndpointMessageTransport.sendMessage(EndpointMessageTransport.java:244)
599 org.jitsi.videobridge.EndpointMessageTransport.sendMessage(EndpointMessageTransport.java:221)
599 org.jitsi.videobridge.EndpointMessageTransport.sendMessage(EndpointMessageTransport.java:208)
599 org.jitsi.videobridge.EndpointMessageTransport.log() Failed to send a message over a WebRTC data channel (endpoint=42d9fe85):
598 org.jitsi.videobridge.Conference.sendMessage(Conference.java:357)
593 org.jitsi.videobridge.WebRtcDataStream.onStringMsg(WebRtcDataStream.java:140)
593 org.jitsi.videobridge.SctpConnection.processSctpPacket(SctpConnection.java:1006)
593 org.jitsi.videobridge.SctpConnection.lambda$onSctpPacket$2(SctpConnection.java:841)
593 org.jitsi.videobridge.EndpointMessageTransport.onStringData(EndpointMessageTransport.java:388)
593 org.jitsi.videobridge.AbstractEndpointMessageTransport.sendMessageToEndpoints(AbstractEndpointMessageTransport.java:226)
593 org.jitsi.videobridge.AbstractEndpointMessageTransport.onMessage(AbstractEndpointMessageTransport.java:411)
593 org.jitsi.videobridge.AbstractEndpointMessageTransport.onJSONData(AbstractEndpointMessageTransport.java:123)
593 org.jitsi.videobridge.AbstractEndpointMessageTransport.onClientEndpointMessage(AbstractEndpointMessageTransport.java:210)
593 org.jitsi.impl.osgi.framework.AsyncExecutor.runInThread(AsyncExecutor.java:122)
593 org.jitsi.impl.osgi.framework.AsyncExecutor.access$000(AsyncExecutor.java:28)
593 org.jitsi.impl.osgi.framework.AsyncExecutor$1.run(AsyncExecutor.java:231)
566 org.jitsi.impl.neomedia.transform.RtxTransformer.log() Cannot find SSRC for RTX, retransmitting plain. SSRC=2482957846
442 org.jitsi.impl.neomedia.rtp.translator.RTCPFeedbackMessageSender.log() Not sending an FIR because the stream RTP manager is null.
243 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (2625). Using the default of 100ms.
232 org.jitsi.impl.neomedia.transform.RtxTransformer.log() Cannot find SSRC for RTX, retransmitting plain. SSRC=3049124081
194 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1659). Using the default of 100ms.
178 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (2616). Using the default of 100ms.
168 org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with 30a821e4 not ready yet.
145 org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with 5707cdbe not ready yet.
143 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1453). Using the default of 100ms.
139 org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with 978a1102 not ready yet.
114 org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with 240727cf not ready yet.
23 org.jitsi.videobridge.AbstractEndpointMessageTransport.log() Unable to find endpoint 30a821e4 to send EndpointMessage
22 org.jitsi.videobridge.AbstractEndpointMessageTransport.log() Unable to find endpoint 978a1102 to send EndpointMessage
20 org.jitsi.videobridge.AbstractEndpointMessageTransport.log() Unable to find endpoint 5707cdbe to send EndpointMessage
20 org.jitsi.videobridge.AbstractEndpointMessageTransport.log() Unable to find endpoint 240727cf to send EndpointMessage
15 org.jitsi.videobridge.VideoChannel.log() Canceling an existing delayed FIR task for endpoint b6eb9296.
13 org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with a90f597d not ready yet.
11 org.jitsi.impl.neomedia.rtp.TransportCCEngine.log() Not sending transport-cc feedback, delta or packetcount too big.
11 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1085). Using the default of 100ms.
11 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1074). Using the default of 100ms.
10 org.jitsi.videobridge.AbstractEndpointMessageTransport.log() Unable to find endpoint e301b1dd to send EndpointMessage
9 org.jitsi.videobridge.VideoChannel.log() Canceling an existing delayed FIR task for endpoint bb8f75c8.
8 org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with d8d54912 not ready yet.
8 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1804). Using the default of 100ms.
8 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1258). Using the default of 100ms.
8 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1098). Using the default of 100ms.
7 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (2277). Using the default of 100ms.
7 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1250). Using the default of 100ms.
6 org.jitsi.videobridge.VideoChannel.log() Canceling an existing delayed FIR task for endpoint 99d14313.
6 org.jitsi.videobridge.VideoChannel.log() Canceling an existing delayed FIR task for endpoint 6b802ff4.
6 org.jitsi.videobridge.VideoChannel.log() Canceling an existing delayed FIR task for endpoint 66dab73d.
6 org.jitsi.videobridge.AbstractEndpointMessageTransport.log() Unable to find endpoint a90f597d to send EndpointMessage
6 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1381). Using the default of 100ms.
6 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1082). Using the default of 100ms.
6 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1075). Using the default of 100ms.
6 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1052). Using the default of 100ms.
5 org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with e590199e not ready yet.
5 org.jitsi.videobridge.EndpointMessageTransport.log() SCTP connection with 123058c6 not ready yet.
5 org.jitsi.videobridge.Conference.broadcastMessage(Conference.java:396)
5 org.jitsi.videobridge.AbstractEndpointMessageTransport.log() Unable to find endpoint d8d54912 to send EndpointMessage
5 org.jitsi.videobridge.AbstractEndpointMessageTransport.log() Unable to find endpoint 123058c6 to send EndpointMessage
5 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (2572). Using the default of 100ms.
5 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (2339). Using the default of 100ms.
5 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1707). Using the default of 100ms.
5 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1253). Using the default of 100ms.
5 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1091). Using the default of 100ms.
4 org.jitsi.videobridge.VideoChannel.log() Canceling an existing delayed FIR task for endpoint 68448d84.
4 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (2276). Using the default of 100ms.
4 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1553). Using the default of 100ms.
4 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1516). Using the default of 100ms.
4 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1038). Using the default of 100ms.
3 org.jitsi.videobridge.VideoChannel.log() Canceling an existing delayed FIR task for endpoint ef808fa7.
3 org.jitsi.videobridge.VideoChannel.log() Canceling an existing delayed FIR task for endpoint d8d54912.
3 org.jitsi.videobridge.VideoChannel.log() Canceling an existing delayed FIR task for endpoint 04d1b930.
3 org.jitsi.videobridge.ConferenceSpeechActivity.runInEventDispatcher(ConferenceSpeechActivity.java:801)
3 org.jitsi.videobridge.Conference.speechActivityPropertyChange(Conference.java:1769)
3 org.jitsi.videobridge.ConferenceSpeechActivity.access$000(ConferenceSpeechActivity.java:39)
3 org.jitsi.videobridge.ConferenceSpeechActivity$EventDispatcher.run(ConferenceSpeechActivity.java:854)
3 org.jitsi.videobridge.Conference.propertyChange(Conference.java:1455)
3 org.jitsi.videobridge.Conference.dominantSpeakerChanged(Conference.java:634)
3 org.jitsi.videobridge.Conference.broadcastMessage(Conference.java:406)
3 org.jitsi.utils.event.WeakReferencePropertyChangeListener.propertyChange(WeakReferencePropertyChangeListener.java:54)
3 org.jitsi.utils.event.PropertyChangeNotifier.firePropertyChange(PropertyChangeNotifier.java:126)
3 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (2848). Using the default of 100ms.
3 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1713). Using the default of 100ms.
3 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1703). Using the default of 100ms.
3 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1692). Using the default of 100ms.
3 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1500). Using the default of 100ms.
3 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1491). Using the default of 100ms.
3 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1483). Using the default of 100ms.
3 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1462). Using the default of 100ms.
3 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1324). Using the default of 100ms.
3 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1311). Using the default of 100ms.
3 org.jitsi.impl.neomedia.rtp.sendsidebandwidthestimation.SendSideBandwidthEstimation.log() RTT not calculated, or has a suspiciously high value (1277). Using the default of 100ms.