{"record":{"id":"379c10ca888815bb","repo":"chenhg5/cc-connect","slug":"qwen-tts-request-w","errorCode":null,"errorMessage":"qwen tts: request: %w","messagePattern":"qwen tts: request: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"core/tts.go","lineNumber":148,"sourceCode":"\tif opts.LanguageType != \"\" {\n\t\tinput[\"language_type\"] = opts.LanguageType\n\t}\n\treqBody[\"input\"] = input\n\tjsonData, err := json.Marshal(reqBody)\n\tif err != nil {\n\t\treturn nil, \"\", fmt.Errorf(\"qwen tts: marshal request: %w\", err)\n\t}\n\n\treq, err := http.NewRequestWithContext(ctx, http.MethodPost, q.BaseURL, bytes.NewReader(jsonData))\n\tif err != nil {\n\t\treturn nil, \"\", fmt.Errorf(\"qwen tts: create request: %w\", err)\n\t}\n\treq.Header.Set(\"Authorization\", \"Bearer \"+q.APIKey)\n\treq.Header.Set(\"Content-Type\", \"application/json\")\n\n\tresp, err := q.Client.Do(req)\n\tif err != nil {\n\t\treturn nil, \"\", fmt.Errorf(\"qwen tts: request: %w\", err)\n\t}\n\tdefer resp.Body.Close()\n\n\tbody, err := io.ReadAll(resp.Body)\n\tif err != nil {\n\t\treturn nil, \"\", fmt.Errorf(\"qwen tts: read response: %w\", err)\n\t}\n\tif resp.StatusCode != http.StatusOK {\n\t\treturn nil, \"\", fmt.Errorf(\"qwen tts API %d: %s\", resp.StatusCode, body)\n\t}\n\n\tvar result struct {\n\t\tCode    string `json:\"code\"`\n\t\tMessage string `json:\"message\"`\n\t\tOutput  struct {\n\t\t\tAudio struct {\n\t\t\t\tURL string `json:\"url\"`\n\t\t\t} `json:\"audio\"`","sourceCodeStart":130,"sourceCodeEnd":166,"githubUrl":"https://github.com/chenhg5/cc-connect/blob/4000b2338aa6e850c99df54f8b0ed6ed7460b401/core/tts.go#L130-L166","documentation":"Synthesize executes the HTTP POST via q.Client.Do(req). If the request cannot be completed at the transport level (DNS failure, connection refused, TLS error, timeout, context cancellation) the error is wrapped as 'qwen tts: request'. The TTS call never received an HTTP response.","triggerScenarios":"q.Client.Do returns a non-nil error: network unreachable, DNS resolution failure, proxy misconfiguration, TLS handshake failure, deadline exceeded via ctx, or client.Timeout firing.","commonSituations":"No internet or firewalled egress to the Dashscope endpoint; corporate proxy required but unset; API host outage; context cancelled because the user's messaging session timed out; http.Client with too-short a timeout for long synthesis jobs.","solutions":["Check network connectivity/DNS to the TTS host (curl the BaseURL).","Inspect the wrapped error: context.DeadlineExceeded means raise the client timeout or check the caller's context.","Configure proxy env vars (HTTPS_PROXY) if behind a corporate proxy.","Implement a retry with backoff for transient transport errors.","Verify TLS: system root certs present and clock correct."],"exampleFix":"// before\nclient := &http.Client{} // no timeout, fails cryptically\n// after\nclient := &http.Client{Timeout: 60 * time.Second}\n// and on failure: if errors.Is(err, context.DeadlineExceeded) { /* retry with backoff */ }","handlingStrategy":"retry","validationCode":"// probe before user-facing use\nreq, _ := http.NewRequestWithContext(ctx, http.MethodGet, strings.TrimSuffix(q.BaseURL, \"/\"), nil)\nif _, err := q.Client.Do(req); err != nil {\n    slog.Warn(\"tts endpoint unreachable\", \"err\", err)\n}","typeGuard":null,"tryCatchPattern":"var audio []byte\nvar err error\nfor i := 0; i < 3; i++ {\n    audio, _, err = q.Synthesize(ctx, text, opts)\n    if err == nil || !isTransportError(err) { break }\n    time.Sleep(time.Duration(1<<i) * time.Second)\n}\nif err != nil && strings.Contains(err.Error(), \"qwen tts: request\") {\n    return fmt.Errorf(\"TTS service unreachable: %w\", err)\n}","preventionTips":["Set a generous http.Client timeout (30-60s) for synthesis calls.","Configure proxy env vars in containerized deployments.","Monitor endpoint reachability (health probe) before routing user traffic.","Use retry with exponential backoff for transient transport errors."],"tags":["tts","qwen","network","http"],"backgroundTag":"network-request-failed","analyzedSha":"4000b2338aa6e850c99df54f8b0ed6ed7460b401","analyzedAt":"2026-09-06T11:45:09.575Z","contentChangedAt":"2026-09-06T11:45:09.575Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}