{"record":{"id":"2d2ea1f8b6014898","repo":"openai/codex","slug":"runner-pipe-label-connect-thread-exited-before-r","errorCode":null,"errorMessage":"runner {pipe_label} connect thread exited before reporting its result","messagePattern":"runner (.+?) connect thread exited before reporting its result","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"codex-rs/windows-sandbox-rs/src/elevated/runner_client.rs","lineNumber":193,"sourceCode":"}\n\nfn try_take_completed_connect_result(\n    connect_thread: &mut Option<thread::JoinHandle<()>>,\n    connect_result_rx: &mpsc::Receiver<Result<()>>,\n    thread_handle: HANDLE,\n    pipe_label: &str,\n) -> Result<Option<Result<()>>> {\n    let thread_wait = unsafe { WaitForSingleObject(thread_handle, 0) };\n    if thread_wait != WAIT_OBJECT_0 {\n        return Ok(None);\n    }\n\n    if let Some(connect_thread) = connect_thread.take() {\n        let _ = connect_thread.join();\n    }\n\n    let result = connect_result_rx.recv().map_err(|_| {\n        anyhow::anyhow!(\"runner {pipe_label} connect thread exited before reporting its result\")\n    })?;\n    Ok(Some(result))\n}\n\nfn connect_pipe_with_timeout(\n    h_pipe: HANDLE,\n    expected_runner_pid: u32,\n    pipe_label: &str,\n) -> Result<()> {\n    let pipe_label = pipe_label.to_string();\n    let pipe_label_for_thread = pipe_label.clone();\n    let (thread_handle_tx, thread_handle_rx) = mpsc::sync_channel(1);\n    let (connect_result_tx, connect_result_rx) = mpsc::sync_channel(1);\n    let mut connect_thread = Some(\n        thread::Builder::new()\n            .name(format!(\"codex-runner-connect-{pipe_label}\"))\n            .spawn(move || {\n                let current_process = unsafe { GetCurrentProcess() };","sourceCodeStart":175,"sourceCodeEnd":211,"githubUrl":"https://github.com/openai/codex/blob/339751715c64496cb86246bfb3935f40e309dd3d/codex-rs/windows-sandbox-rs/src/elevated/runner_client.rs#L175-L211","documentation":"Error \"runner {pipe_label} connect thread exited before reporting its result\" thrown in openai/codex.","triggerScenarios":"Thrown at codex-rs/windows-sandbox-rs/src/elevated/runner_client.rs:193 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"339751715c64496cb86246bfb3935f40e309dd3d","analyzedAt":"2026-08-25T05:35:09.876Z","schemaVersion":2},"datasetVersion":"2026-08-25T06:17:31.827Z"}