What does this mean?
5-09-17 20:47:44,856 - WARNI...
# ask-aif
fresh-painting-88343
09/17/2025, 8:49 PMWhat does this mean?
2025-09-17 204744,856 - WARNING livekit - livekit:rtc engine453livekit:rtc_engine - received session close: "signal client closed: \"stream closed\"" UnknownReason Resume {"pid": 3526551, "job_id": "AJ_S7sUCE5ex26p"}
t
tall-airline-16756
09/17/2025, 8:49 PMThanks for reaching out, muse. I'm an AI assistant and I'm here to help. Give me a moment while I research this topic.
tall-airline-16756
09/17/2025, 8:50 PMThank you for reaching out! The warning "received session close: signal client closed: stream closed" means that the signaling WebSocket connection was unexpectedly closed from the client side. When this happens, the session disconnects, but don’t worry—there’s usually an automatic recovery process that kicks in right away.
LiveKit tries to smoothly resume the connection by reconnecting the signaling WebSocket and restarting the ICE process for the WebRTC connection. If that restart doesn’t work, it will trigger a full reconnection sequence, which might cause a brief disruption. We understand how important a seamless experience is, and this process helps keep things running as smoothly as possible.
This warning is just a part of LiveKit’s way of managing unexpected disconnections and making sure your session stays connected. If you have any more questions or need further help, please feel free to ask—we’re here for you!
Sources: packages/livekit-rtc/src/proto/participant_pb.ts | livekit/livekit_models.pb.go | Connecting to LiveKit | LiveKit Docs | Runtime/Scripts/Proto/Participant.cs | lib/src/proto/livekit_models.pbenum.dart
f
fresh-painting-88343
09/17/2025, 9:07 PMSo it means that the fronted disconnected but not on purpose right?
t
tall-airline-16756
09/17/2025, 9:07 PMYes, you’re absolutely right. That warning means the frontend disconnected unexpectedly, which isn’t something that was done on purpose. This can happen for a few reasons, like network hiccups, client-side glitches, or other sudden interruptions. The good news is that LiveKit is designed to try and recover the connection automatically when this happens, so you don’t have to worry!
f
fresh-painting-88343
09/17/2025, 9:11 PMIn this case, does the session history get restored or not?
t
tall-airline-16756
09/17/2025, 9:12 PMI'm here to help you understand what happens when a signaling WebSocket disconnection occurs. LiveKit will try to reconnect automatically, which is great! However, it's important to know that session history—like real-time data messages or events—won't be saved across the disconnection. So, any data sent while disconnected won’t be stored or resent when you reconnect.
That said, participant and track states will be restored during the reconnection, which helps keep things running smoothly. But transient data, such as text streams or other real-time events, unfortunately won’t be recovered unless your application has its own way of saving that information. If you’d like, I can guide you on how to set that up!
Sources: Sending text | LiveKit Docs | Connecting to LiveKit | LiveKit Docs