{"record":{"id":"4e9a92119f3d9a9b","repo":"openai/codex","slug":"runner-pipe-label-connect-thread-exited-before-p","errorCode":null,"errorMessage":"runner {pipe_label} connect thread exited before publishing its handle","messagePattern":"runner (.+?) connect thread exited before publishing its handle","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"codex-rs/windows-sandbox-rs/src/elevated/runner_client.rs","lineNumber":243,"sourceCode":"                    let _ = thread_handle_tx.send(Err(anyhow::anyhow!(\n                        \"DuplicateHandle failed for runner {pipe_label_for_thread} connect thread: {}\",\n                        unsafe { GetLastError() }\n                    )));\n                    return;\n                }\n\n                // Publish the helper thread HANDLE before the blocking pipe connect so the\n                // parent can cancel this specific operation if it times out.\n                let _ = thread_handle_tx.send(Ok(thread_handle));\n\n                let result = connect_pipe(h_pipe, expected_runner_pid)\n                    .map_err(anyhow::Error::from)\n                    .context(format!(\"connect {pipe_label_for_thread}\"));\n                let _ = connect_result_tx.send(result);\n            })?,\n    );\n    let thread_handle = thread_handle_rx.recv().map_err(|_| {\n        anyhow::anyhow!(\"runner {pipe_label} connect thread exited before publishing its handle\")\n    })??;\n\n    let result = match connect_result_rx.recv_timeout(RUNNER_PIPE_CONNECT_TIMEOUT) {\n        Ok(result) => {\n            if let Some(connect_thread) = connect_thread.take() {\n                let _ = connect_thread.join();\n            }\n            result\n        }\n        Err(mpsc::RecvTimeoutError::Timeout) => {\n            if let Some(result) = try_take_completed_connect_result(\n                &mut connect_thread,\n                &connect_result_rx,\n                thread_handle,\n                &pipe_label,\n            )? {\n                result\n            } else {","sourceCodeStart":225,"sourceCodeEnd":261,"githubUrl":"https://github.com/openai/codex/blob/339751715c64496cb86246bfb3935f40e309dd3d/codex-rs/windows-sandbox-rs/src/elevated/runner_client.rs#L225-L261","documentation":"Error \"runner {pipe_label} connect thread exited before publishing its handle\" thrown in openai/codex.","triggerScenarios":"Thrown at codex-rs/windows-sandbox-rs/src/elevated/runner_client.rs:243 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"}