{"record":{"id":"c9a4fd85309579f9","repo":"Zackriya-Solutions/meetily","slug":"parakeet-model-load-task-failed-for","errorCode":null,"errorMessage":"Parakeet model load task failed for {}: {}","messagePattern":"Parakeet model load task failed for (.+?): (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"frontend/src-tauri/src/parakeet_engine/parakeet_engine.rs","lineNumber":478,"sourceCode":"\n                let quantized = model_info.quantization == QuantizationType::Int8;\n                let model_path = model_info.path.clone();\n                #[cfg(test)]\n                let model_lifecycle_test_hook = self.load_test_hook().await;\n                #[cfg(test)]\n                let runtime_handle = tokio::runtime::Handle::current();\n                let model = tokio::task::spawn_blocking(move || {\n                    #[cfg(test)]\n                    if let Some(hook) = model_lifecycle_test_hook {\n                        hook.load_started.notify_one();\n                        runtime_handle.block_on(hook.continue_load.notified());\n                    }\n                    ParakeetModel::new(&model_path, quantized)\n                        .map_err(|error| error.to_string())\n                })\n                .await\n                .map_err(|error| {\n                    anyhow!(\n                        \"Parakeet model load task failed for {}: {}\",\n                        model_name,\n                        error\n                    )\n                })?\n                .map_err(|error| {\n                    anyhow!(\"Failed to load Parakeet model {}: {}\", model_name, error)\n                })?;\n\n                *self.current_model.write().await = Some(model);\n                *self.current_model_name.write().await = Some(model_name.to_string());\n\n                log::info!(\n                    \"Successfully loaded Parakeet model: {} ({})\",\n                    model_name,\n                    if quantized { \"Int8 quantized\" } else { \"FP32\" }\n                );\n                Ok(())","sourceCodeStart":460,"sourceCodeEnd":496,"githubUrl":"https://github.com/Zackriya-Solutions/meetily/blob/a2cb62e827da7ef59f65064c97233efb2313878e/frontend/src-tauri/src/parakeet_engine/parakeet_engine.rs#L460-L496","documentation":"Wraps any failure of the blocking task that constructs ParakeetModel::new on a background thread. The outer map_err on the JoinHandle distinguishes 'the load task itself failed/panicked' (task spawn/join/panic errors) from the inner error of ParakeetModel::new, which is mapped separately.","triggerScenarios":"tokio::task::spawn_blocking(...).await returns Err — the blocking task panicked (e.g. whisper/onnx runtime panicked during session init), or the runtime is shutting down while a model load is in flight, during load_model for the named Parakeet model.","commonSituations":"Panic inside the ONNX/whisper native runtime due to a corrupted model file; app quitting mid-load; runtime shutdown racing with a user-triggered model switch; out-of-memory abort surfacing as a task failure on some platforms.","solutions":["Run with RUST_LOG=debug and reproduce to see the panic message carried in the error","Re-download/validate the model files (validate_model_directory) before loading to rule out corrupted artifacts","Retry the model load after restarting the app (rules out transient runtime state)","Check available RAM — native runtime init can abort on OOM for large models","Update the app/native runtime libs if panics are reproducible with a valid model"],"exampleFix":"// before: no guard around model load\nlet model = engine.load_model(\"parakeet-int8\").await?;\n// after: retry once and surface context\nlet model = match engine.load_model(\"parakeet-int8\").await {\n    Ok(m) => m,\n    Err(e) if e.to_string().contains(\"task failed\") => engine.load_model(\"parakeet-int8\").await?,\n    Err(e) => return Err(e),\n};","handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"match engine.load_model(model_name).await {\n    Err(e) if e.to_string().contains(\"model load task failed\") => {\n        log::error!(\"blocking load task failed (panic or shutdown): {e}\");\n        // retry once with a fresh runtime state, or fall back to whisper\n    }\n    other => other?,\n}","preventionTips":["Validate model artifacts (sizes) before spawning the load task","Avoid triggering model loads during app shutdown","Load models once at startup, not per-request","Monitor available memory before loading large models"],"tags":["async","task-panic","model-loading","tokio","parakeet"],"backgroundTag":"thread-interrupted","analyzedSha":"a2cb62e827da7ef59f65064c97233efb2313878e","analyzedAt":"2026-09-12T11:12:14.152Z","contentChangedAt":"2026-09-12T11:12:14.152Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}