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# ask-ai
a
raise APIConnectionError( livekit.agents._exceptions.APICo… failed to detect interruption after 3 attempts.. I continuesly get this error in my livekit agent version 1.5.4... where it tries to make handshake with cloud like this: raise WSServerHandshakeError( aiohttp.client_exceptions.WSServerHandshakeError: 401, message='Invalid response status', url='wss://agent-gateway.livekit.cloud/v1/bargein' The above exception was the direct cause of the following exception:
✅ 1
t
Thanks for reaching out, Hiren. I'm an AI assistant and I'm here to help. Give me a moment while I research this topic.
Thanks — I’m sorry you’re hitting this 401 handshake error repeatedly. I’ll help troubleshoot it. I’m responding to the WSServerHandshakeError (401) during the agent handshake at wss://agent-gateway.livekit.cloud/v1/bargein and the “failed to detect interruption after 3 attempts” retry message. Please check the following (most common causes): • API credentials: Confirm 
LIVEKIT_API_KEY
and 
LIVEKIT_API_SECRET
in the agent environment are correct, have no extra whitespace, and match the project for 
LIVEKIT_URL
. • LIVEKIT_URL: Ensure 
LIVEKIT_URL
is set to the correct cloud gateway and there’s no trailing slash or typo. • Token validity: Decode the JWT you’re using (e.g., jwt.io) and confirm 
nbf
and 
exp
are valid relative to current UTC time and the token is signed with the secret above. • Clock skew: Verify the machine/container clock is accurate (use NTP). A skewed clock commonly causes token `nbf`/`exp` rejections. • Token TTL: Ensure tokens are issued with a positive TTL (not already expired or zero). • Environment loading: Confirm the agent process actually receives those env vars (print them safely or log masked values) instead of relying on a different config source. • Repro/redeploy: Try restarting the agent or redeploying after ensuring the above to rule out stale env or suspended VM time issues. If you’d like, I can dive deeper — please share: 1. How you start the agent (mode: 
start
, 
dev
, or 
console
) and the exact command or docker/k8s manifest you use. 2. The values (redact secrets) for 
LIVEKIT_URL
, API key name, and token `exp`/`nbf` timestamps from the decoded JWT. 3. Whether this started after a change (new keys, deployment, container migration), and whether the container/VM was suspended or resumed recently. Reply with those details and I’ll provide the next targeted steps. Sources: Troubleshooting 401 Unauthorized and Token Errors | LiveKit | Server startup modes | LiveKit Documentation, with interactive elements
a
I've started it with "dev".. livekit url and everything is set.. box is also working but in the logs I see these errors though
t
Thanks — helpful to know you started the agent in "dev" and the box itself is running. I’ll help narrow this down. Please provide the following so I can diagnose the 401 handshake errors: 1. The exact command you use to start the agent in dev mode (redact secrets). 2. The values (redact actual secret strings) for: ◦ 
LIVEKIT_URL
◦ 
LIVEKIT_API_KEY
name/ID ◦ Token 
exp
and 
nbf
timestamps from a decoded JWT you’re using 1. A short excerpt of the agent logs around the handshake error (the 3–5 lines before and after). Mask any secrets or full tokens. 2. Whether the machine/container was recently suspended, migrated, or resumed (possible clock skew). 3. Any recent changes (rotated keys, updated agent version, config changes) before the error started. While you gather that, try restarting the agent after forcing clock sync (e.g., run NTP or 
ntpdate
) and reissue a fresh token with a short positive TTL; let me know if the error changes. , with interactive elements
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