{"record":{"id":"2aa789926fd4bdd4","repo":"Zackriya-Solutions/meetily","slug":"download-stream-failed-for","errorCode":null,"errorMessage":"Download stream failed for {}: {}","messagePattern":"Download stream failed for (.+?): (.+?)","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"frontend/src-tauri/src/parakeet_engine/parakeet_engine.rs","lineNumber":1027,"sourceCode":"                    Err(_) => {\n                        writer.flush().await.map_err(|error| {\n                            anyhow!(\"Failed to preserve {} after timeout: {}\", artifact.filename, error)\n                        })?;\n                        return Err(anyhow!(\n                            \"Download timeout for {}: no data received for 30 seconds\",\n                            artifact.filename\n                        ));\n                    }\n                    Ok(None) => break,\n                    Ok(Some(Err(error))) => {\n                        writer.flush().await.map_err(|flush_error| {\n                            anyhow!(\n                                \"Failed to preserve {} after stream error: {}\",\n                                artifact.filename,\n                                flush_error\n                            )\n                        })?;\n                        return Err(anyhow!(\"Download stream failed for {}: {}\", artifact.filename, error));\n                    }\n                    Ok(Some(Ok(chunk))) => chunk,\n                };\n\n                let chunk_bytes = chunk.len() as u64;\n                let next_artifact_bytes = artifact_bytes\n                    .checked_add(chunk_bytes)\n                    .ok_or_else(|| anyhow!(\"{} size overflow\", artifact.filename))?;\n                if next_artifact_bytes > artifact.exact_bytes {\n                    writer.flush().await.map_err(|error| {\n                        anyhow!(\"Failed to preserve {} after overlong response: {}\", artifact.filename, error)\n                    })?;\n                    return Err(anyhow!(\n                        \"{} response exceeds its exact {} byte size\",\n                        artifact.filename,\n                        artifact.exact_bytes\n                    ));\n                }","sourceCodeStart":1009,"sourceCodeEnd":1045,"githubUrl":"https://github.com/Zackriya-Solutions/meetily/blob/a2cb62e827da7ef59f65064c97233efb2313878e/frontend/src-tauri/src/parakeet_engine/parakeet_engine.rs#L1009-L1045","documentation":"During a Parakeet model artifact download, the HTTP body stream yielded an error mid-transfer (Ok(Some(Err(error))) from reqwest's bytes_stream). Before returning, the code flushes the partially-written file so already-downloaded bytes can be resumed later, then surfaces the stream error wrapped with the artifact filename. It means the connection carrying the model download broke.","triggerScenarios":"The chunked response stream from the model server errors mid-body: connection reset/dropped, TLS handshake renegotiation failure, proxy terminated the connection, or reqwest hyper-level I/O error while reading a chunk in the download loop at parakeet_engine.rs:1019-1027.","commonSituations":"Unstable Wi-Fi or VPN drops during a large model download; server or CDN closes the connection (keep-alive timeout, load-balancer idle timeout); corporate proxy/firewall interrupting long-lived HTTPS streams; sleep/hibernate of the machine mid-download.","solutions":["Retry the download — the code flushes and preserves partial bytes, so it can resume with a Range request","Check network stability (disable VPN/proxy, switch to wired connection) and retry","Verify the model server/CDN URL is reachable with curl and supports long-lived connections","Increase retry attempts or download during a stable network window"],"exampleFix":"// before\nreturn Err(anyhow!(\"Download stream failed for {}: {}\", artifact.filename, error));\n// after\n// automatic resume: catch this error, retry send_download_request with Range: bytes={downloaded}-\nif downloaded_bytes < artifact.exact_bytes {\n    return self.download_with_resume(attempt + 1).await; // bounded retries\n}","handlingStrategy":"retry","validationCode":"// pre-flight connectivity check before starting the download\nlet resp = reqwest::get(&file_url).await?;\nanyhow::ensure!(resp.status().is_success(), \"model server unreachable: {}\", resp.status());","typeGuard":null,"tryCatchPattern":"match download_result {\n    Err(e) if e.to_string().contains(\"Download stream failed\") => {\n        // partial bytes were flushed; retry with Range resume\n        retry_with_resume(max_attempts = 3, backoff = exponential)\n    }\n    Err(e) => return Err(e),\n    Ok(v) => Ok(v),\n}","preventionTips":["Use wired/stable connections for multi-hundred-MB model downloads","Avoid VPNs or flaky proxies during model downloads","Expect 30s idle timeouts — don't suspend the machine mid-download","Rely on the built-in resume support instead of restarting from scratch"],"tags":["network","download","http-stream","rust"],"backgroundTag":"network-request-failed","analyzedSha":"a2cb62e827da7ef59f65064c97233efb2313878e","analyzedAt":"2026-09-12T11:12:14.152Z","contentChangedAt":"2026-09-12T11:12:14.152Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}