{"record":{"id":"859c378cf02027e7","repo":"Zackriya-Solutions/meetily","slug":"failed-to-create-file-859c37","errorCode":null,"errorMessage":"Failed to create file: {}","messagePattern":"Failed to create file: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"frontend/src-tauri/src/summary/summary_engine/model_manager.rs","lineNumber":528,"sourceCode":"            let mut active = self.active_downloads.write().await;\n            active.remove(model_name);\n            return Err(anyhow!(\"Download failed with status: {}\", response.status()));\n        };\n\n        log::info!(\"Total size: {} MB\", total_size / (1024 * 1024));\n\n        // Open file for append if resuming, or create new\n        let file = if resuming {\n            OpenOptions::new()\n                .write(true)\n                .append(true)\n                .open(&file_path)\n                .await\n                .map_err(|e| anyhow!(\"Failed to open file for append: {}\", e))?\n        } else {\n            fs::File::create(&file_path)\n                .await\n                .map_err(|e| anyhow!(\"Failed to create file: {}\", e))?\n        };\n\n        // Use 8MB buffer to reduce disk I/O syscalls (major performance improvement)\n        let mut writer = BufWriter::with_capacity(8 * 1024 * 1024, file);\n\n        let mut downloaded: u64 = if resuming { existing_size } else { 0 };\n\n        // Emit initial progress (showing resumed position if applicable)\n        if let Some(ref callback) = progress_callback {\n            callback(DownloadProgress::new(downloaded, total_size, 0.0));\n        }\n        log::info!(\n            \"Starting at {:.1} MB / {:.1} MB\",\n            downloaded as f64 / (1024.0 * 1024.0),\n            total_size as f64 / (1024.0 * 1024.0)\n        );\n\n        let mut last_progress_percent = if total_size > 0 {","sourceCodeStart":510,"sourceCodeEnd":546,"githubUrl":"https://github.com/Zackriya-Solutions/meetily/blob/0281737d87d26352fb0adc78c8c0975f691b23d1/frontend/src-tauri/src/summary/summary_engine/model_manager.rs#L510-L546","documentation":"fs::File::create failed for the destination GGUF when starting a fresh (non-resume) download in the summary model manager. Same failure class as the parakeet variant: missing parent directory, no write permission, full disk, or a locked target path. Nothing has been downloaded yet when this fires.","triggerScenarios":"Fresh download of a summary model while <app_data>/models/summary does not exist, is read-only, or the disk is full; the target path locked by antivirus or a sync client at creation time.","commonSituations":"First download after a fresh install before the directory is created; app data dir on a full volume; Windows Defender locking new .gguf files.","solutions":["Create the parent directory with create_dir_all before File::create","Check write permissions and free space on the models volume","Exclude the models directory from antivirus/sync","Report io::ErrorKind in the UI to distinguish permissions from disk space"],"exampleFix":"// before\nlet file = fs::File::create(&file_path)\n    .await\n    .map_err(|e| anyhow!(\"Failed to create file: {}\", e))?;\n\n// after\nif let Some(parent) = file_path.parent() {\n    tokio::fs::create_dir_all(parent).await?;\n}\nlet file = fs::File::create(&file_path)\n    .await\n    .map_err(|e| anyhow!(\"Failed to create file: {}\", e))?","handlingStrategy":"validation","validationCode":"// Pre-flight: ensure directory exists and is writable before download\ntokio::fs::create_dir_all(&models_dir).await?;\nlet probe = models_dir.join(\".probe\");\ntokio::fs::write(&probe, b\"x\").await?;\ntokio::fs::remove_file(&probe).await?;\nmanager.download_model_detailed(name, cb).await","typeGuard":null,"tryCatchPattern":"match download_result {\n    Err(e) if e.to_string().starts_with(\"Failed to create file\") => {\n        check_permissions_and_disk(); // local issue: fix before retrying\n    }\n    other => other,\n}","preventionTips":["Create <app_data>/models/summary at startup with create_dir_all","Verify free space exceeds the model size before download","Exclude the models directory from real-time antivirus scanning"],"tags":["filesystem","download","io","rust"],"backgroundTag":"file-create-permission-denied","analyzedSha":"0281737d87d26352fb0adc78c8c0975f691b23d1","analyzedAt":"2026-08-16T20:57:52.567Z","schemaVersion":2},"datasetVersion":"2026-08-16T23:17:17.608Z"}