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fix: distinguish client disconnection from upstream retry failure

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Before this change, when a client disconnected mid-request, the error
message was "Upstream request failed after retries", which is misleading
and pollutes error logs. Now we check context.Err() to return a more
accurate "Client disconnected" message for both Claude and Gemini
forward paths.
This commit is contained in:
erio
2026-02-24 16:45:08 +08:00
parent fdf9f68298
commit 0dacdf480b
1 changed files with 8 additions and 0 deletions
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8
backend/internal/service/antigravity_gateway_service.go
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@@ -1370,6 +1370,10 @@ func (s *AntigravityGatewayService) Forward(ctx context.Context, c *gin.Context,
ForceCacheBilling: switchErr.IsStickySession, ForceCacheBilling: switchErr.IsStickySession,
} }
} }
// 区分客户端取消和真正的上游失败，返回更准确的错误消息
if c.Request.Context().Err() != nil {
return nil, s.writeClaudeError(c, http.StatusBadGateway, "client_disconnected", "Client disconnected before upstream response")
}
return nil, s.writeClaudeError(c, http.StatusBadGateway, "upstream_error", "Upstream request failed after retries") return nil, s.writeClaudeError(c, http.StatusBadGateway, "upstream_error", "Upstream request failed after retries")
} }
resp := result.resp resp := result.resp
@@ -2042,6 +2046,10 @@ func (s *AntigravityGatewayService) ForwardGemini(ctx context.Context, c *gin.Co
ForceCacheBilling: switchErr.IsStickySession, ForceCacheBilling: switchErr.IsStickySession,
} }
} }
// 区分客户端取消和真正的上游失败，返回更准确的错误消息
if c.Request.Context().Err() != nil {
return nil, s.writeGoogleError(c, http.StatusBadGateway, "Client disconnected before upstream response")
}
return nil, s.writeGoogleError(c, http.StatusBadGateway, "Upstream request failed after retries") return nil, s.writeGoogleError(c, http.StatusBadGateway, "Upstream request failed after retries")
} }
resp := result.resp resp := result.resp