communication connection_error ai_generated true

SSE connection closed by proxy after timeout

ID: communication/sse-connection-timeout

Also available as: JSON · Markdown
78%Fix Rate
82%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
any active — — —

Root Cause

Server-Sent Events connection dropped by proxy/LB.

generic

Workarounds

  1. 90% success Send periodic SSE comments as keep-alive: : ping
  2. 88% success Configure proxy timeout > SSE heartbeat interval

Dead Ends

Common approaches that don't work:

  1. Disable proxy timeouts entirely 78% fail

    Resource leak on dead connections

  2. Send massive keep-alive messages 72% fail

    Wasted bandwidth