communication protocol_error ai_generated true

HTTP/2 flow control window exhausted

ID: communication/http2-flow-control

Also available as: JSON · Markdown
75%Fix Rate
80%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
2 active — — —

Root Cause

HTTP/2 flow control window full, stream stalled.

generic

Workarounds

  1. 88% success Consume response data promptly to release flow control credits
  2. 85% success Tune SETTINGS_INITIAL_WINDOW_SIZE for expected payload sizes

Dead Ends

Common approaches that don't work:

  1. Disable flow control 90% fail

    Protocol violation, connection reset

  2. Set initial window to maximum 78% fail

    Memory pressure on server