{"record":{"id":"2c138e6430660083","repo":"openai/codex","slug":"createpipe-stderr-failed","errorCode":null,"errorMessage":"CreatePipe stderr failed: {}","messagePattern":"CreatePipe stderr failed: (.+?)","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"codex-rs/windows-sandbox-rs/src/process.rs","lineNumber":257,"sourceCode":"    let mut err_r: HANDLE = 0;\n    let mut err_w: HANDLE = 0;\n    unsafe {\n        if CreatePipe(&mut in_r, &mut in_w, ptr::null_mut(), 0) == 0 {\n            return Err(anyhow!(\"CreatePipe stdin failed: {}\", GetLastError()));\n        }\n        if CreatePipe(&mut out_r, &mut out_w, ptr::null_mut(), 0) == 0 {\n            CloseHandle(in_r);\n            CloseHandle(in_w);\n            return Err(anyhow!(\"CreatePipe stdout failed: {}\", GetLastError()));\n        }\n        if matches!(stderr_mode, StderrMode::Separate)\n            && CreatePipe(&mut err_r, &mut err_w, ptr::null_mut(), 0) == 0\n        {\n            CloseHandle(in_r);\n            CloseHandle(in_w);\n            CloseHandle(out_r);\n            CloseHandle(out_w);\n            return Err(anyhow!(\"CreatePipe stderr failed: {}\", GetLastError()));\n        }\n    }\n\n    let stderr_handle = match stderr_mode {\n        StderrMode::MergeStdout => out_w,\n        StderrMode::Separate => err_w,\n    };\n\n    let stdio = Some((in_r, out_w, stderr_handle));\n    let spawn_result = unsafe {\n        create_process_as_user(\n            h_token,\n            argv,\n            cwd,\n            env_map,\n            logs_base_dir,\n            stdio,\n            console_mode,","sourceCodeStart":239,"sourceCodeEnd":275,"githubUrl":"https://github.com/openai/codex/blob/339751715c64496cb86246bfb3935f40e309dd3d/codex-rs/windows-sandbox-rs/src/process.rs#L239-L275","documentation":"Error \"CreatePipe stderr failed: {}\" thrown in openai/codex.","triggerScenarios":"Thrown at codex-rs/windows-sandbox-rs/src/process.rs:257 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"}