[Bug] Non-streaming retry receives event-stream response instead of JSON (HTTP 200)

Status Open
Reported on v2.1.238
Maintainer reply None cached
Activity 0 comments · opened Aug 21, 2026

Bug Description
API Error: API returned an empty or malformed response (HTTP 200) — check for a proxy or gateway intercepting the request. Response: content-type event-stream, body is an event stream (the non-streaming request was answered with a stream), 3935 bytes, request-id req_011CeFKxwXG5NNna6Ute7Nmz, server cloudflare, intermediary headers anthropic-* cf-cache-status cf-ray. This was the non-streaming retry of streaming request (no Anthropic request-id), which failed with: other; 0 stream events received.

Environment Info

  • Platform: win32
  • Terminal: windows-terminal
  • Version: 2.1.238
  • Feedback ID: 11f61404-1140-47bb-92bb-05785dab1d09

Errors

[{"error":"UnexpectedApiResponseError: API returned an empty or malformed response (HTTP 200) — check for a proxy or gateway intercepting the request. Response: content-type event-stream, body is an event stream (the non-streaming request was answered with a stream), 3935 bytes, request-id req_011CeFKxwXG5NNna6Ute7Nmz, server cloudflare, intermediary headers anthropic-* cf-cache-status cf-ray. This was the non-streaming retry of streaming request (no Anthropic request-id), which failed with: other; 0 stream events received.\n    at <anonymous> (B:/~BUN/root/cli:21840:9380)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-08-21T05:18:00.311Z"}]

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